Lavatory Sink Studio 18 x 12 Inch Undermount White Front Ada Rectangle

White

KOHLER® Ladena's upswept curves offer a generous 21" rectangular undermount sink and a striking contemporary look, particularly when paired with a countertop that exposes the basin's glazed underside.

We purchased two of the sinks for an Undermount installation in a solid surface countertop. They were easy to install finish is good and we are looking forward to many years of usage. . Ricky. US. Sat Aug 16 2025

The TOTO® 20 Inch Rectangular Undermount Bathroom Sink with CEFIONTECT features a modern shallow basin that is ideal for narrow countertops. It features a sleek rimless design and is made with durable vitreous china for long-lasting beauty. This sink is coated with TOTO's CEFIONTECT glaze that prohibits mold and debris from adhering to ceramic surfaces. This technology helps keep your sink cleaner for longer and reduces the number of harsh chemicals used for cleaning. Included: Sink, installation template, and mounting screw set for wood countertops. Purchase separately: Compatible faucet and drain. Mounting assembly THU410 is required for marble/granite type countertop installation and must be purchased separately.

I love this sink. I put it in four different bathrooms.. Erin. Redwood City, CA. Fri Feb 13 2026

White

The Deervalley rectangular undermount bathroom sink provides a refined look for your bathroom decoration. Its spacious rectangular design perfectly combines classic style and versatility, and it also provides three white, bone, and black colors for choice, making it an excellent adapt to complement traditional and modern bathrooms. This undermount bathroom sink with overflow is made from vitreous china, making it sturdy, durable, and effective against stains and germs. An overflow hole can prevent excessive water filling. Undermount installation saves more space on your countertop, meeting your space requirements.

The DeerValley sinks are perfect! We are building a new home and instead of ordering all of the plumbing fixtures through a large supply house with ridiculous markups we rolled the dice on procuring the fixtures for our entire home ourselves. We ordered 7 of these sinks and the consistency from sink to sink is on point! The packaging is thick Styrofoam resulting in every sink showing up in perfect condition. Our plumber hasn't installed the sinks yet, but at first glance he was impressed with the DeerValley sinks.. Jenessa. Baltimore, MD. Mon Jun 01 2026

White

This DeerValley rectangular under-mount bathroom sink has its edge perfectly hidden under the countertop, creating a smooth and seamless transition that reduces the use of countertop space and makes the countertop easier to clean. The enamel-coated surface of this under-mount sink is very smooth and glossy, with low density and low water absorption. The smooth finish of this bathroom sink is better at resisting bacteria, inhibiting the growth of bacteria, and keeping the surface hygienic, and a fine glossy white finish usually complements most modern bathroom designs. What's more, this vitreous china under-mount bathroom sink has a rigid construction that resists scratching and cracks during daily use to ensure longevity.

These sinks were perfect for my bathroom remodel! They are a great size and the price was right.. Jennifer. St. George, Utah. Fri Apr 10 2026

White

With its unique, oblong shape and clean lines, KOHLER® Ladena evokes casual elegance. This spacious and distinctive rectangular undermount bathroom sink pairs classic style with versatility, and is a great choice to complement both traditional and modern bathrooms.

Great Kohler sink! Deep enough to drain properly. Bought 3 for my remodel.. Kelly. Tue May 19 2026

Love this sink. It is a perfect for and style for my bathroom. David. Greenfield, MA. Fri Aug 16 2024

Transform your bathroom into a luxurious oasis with our 18" wide white vitreous china rectangular undermount bathroom sink. Offering a seamless blend of style and functionality, this sink is a must-have addition to modern bathrooms. Its clean lines and crisp white finish effortlessly complement any decor, while the undermount design creates a polished, integrated look. Crafted from premium vitreous china, this sink is not only stunning but also built to withstand the test of time. Non-porous surfaces are easy to clean and maintain. Complete with an overflow hole for added convenience, it's the perfect choice for discerning homeowners seeking both beauty and practicality.

Standard Undermount sink. I like the fact that it doesn’t have corners where things get stuck and it’s easy to clean.. Matthew. Oakland, CA. Sun Apr 19 2026

Colonial White

Created with modern simplicity, this lavatory offers a beautifully rimless, rectangle design. Features a generously wide basin, large backsplash, and rear overflow. ADA compliant.

This is the perfect sink for a smaller cabinet. Very well made.. Freedom. Woodinville, WA. Fri Dec 19 2025

Embrace the elegance of Italian design with this modern ceramic sink. Designed for wall-mounted faucets, it seamlessly integrates into contemporary bathroom aesthetics. The deep basin offers generous space , while the discreet overflow ensures efficient water management. Enhance your bathroom with a touch of minimalist sophistication.

Exactly as described. Seems well made but I need about ten more years to speak about durability.. Ani. Bluffton, SC. Thu Mar 13 2025

White

White Ceramic Rectangular Undermount Bathroom Sink with Overflow provides a refined look for your bathroom decoration. Its spacious rectangular design perfectly combines classic style and versatility, making it an excellent choice to complement traditional and modern bathrooms. This undermount bathroom sink is made from vitreous china, making it sturdy, durable, and effective against stains and germs. Undermount installation saves more space on your countertop, meeting your space requirements. An overflow hole can prevent excessive water filling.

Fits the area we needed it to! Looks perfect. Anna. Denver, NC. Mon May 18 2026

White

With its unique curved bottom and clean lines, this evokes casual elegance. This spacious and distinctive sink has a smooth, glazed rim for a polished look and is versatile enough to complement traditional and modern bathrooms.

No problems with this sink!. Ss. Laguna Beach, CA. Wed Feb 25 2026

White

HOROW ClarityPure Series - Clarity in Form, Purity in Living, designed to bring pure simplicity and enduring beauty to modern life. The ClarityPure Series defines contemporary bathrooms through clean rectangular lines and a refined undermount design. This rectangular ceramic bathroom sink features a concealed rim installed beneath the countertop, creating a smooth, seamless transition that reduces visual clutter, saves countertop space, and makes daily cleaning easier. Crafted with a rigid, stable ceramic body, it resists scratches and cracking to ensure long-lasting durability. The smooth glazed surface helps inhibit bacteria growth, keeping the basin hygienic and easy to maintain. An integrated overflow helps prevent accidental spills, while the standard US drain opening ensures compatibility with most plumbing fittings. ClarityPure balances minimalist design, practical functionality, and dependable ceramic craftsmanship.

Love the large basin in our sink. Jean. Suffolk, VA. Fri Apr 24 2026

This DeerValley rectangular undermount bathroom sink has its edge perfectly hidden under the countertop, creating a smooth and seamless transition that reduces the use of countertop space and makes the countertop easier to clean. And this vitreous China undermount bathroom sink has a rigid construction that resists scratching and cracks during daily use to ensure a longevity. The enamel-coated surface of this undermount sink is very smooth and glossy, with low density and low water absorption. A smooth finish is better at resisting bacteria, inhibiting the growth of bacteria and keeping the surface hygienic, and a fine glossy white finish usually complements most modern bathroom designs.

Love this little sink. It’s not easy to find one that fits a small bathroom. This one is perfect, and at a great price.. Sara. Springfield, MO. Fri May 23 2025

White

Embrace a sophisticated look with Verticyl, featuring vertical sides for a deep, geometric rectangular basin. An under-mount installation seamlessly integrates this sink into your bath or powder room design. It features an overflow drain and Undermount installation.

This worked perfectly in a small vanity. Nice sink.. Valerie. Bend, OR. Mon Jun 01 2026

Aspen Green

Embrace a sophisticated look with KOHLER® Verticyl, featuring vertical sides for a deep, geometric basin. An undermount installation allows this rectangular undermount bathroom sink to seamlessly integrate into your bath or powder room design.

I love the unique color of this sink and I’m very happy with it. Jeff. Aiken, SC. Tue Jan 13 2026

Discover our DeerValley sleek rectangular white sink, blending European aesthetics with modern flair. Versatile for indoor or outdoor use, its durable ceramic construction and smooth surface ensure long-lasting elegance. Effortless maintenance and efficient water drainage make it an ideal choice for any space.

Love how these sinks turned out ! Pretty spacious deep and great quality . Would highly recommend. I was competing it with a very expensive brands out there and this was a great deal... Jaspreet. Irving, TX. Fri Apr 17 2026

Sleek, high-gloss rectangular sink crafted from durable, non-porous white porcelain with a baked-on glaze for effortless cleaning and lasting shine. Its elegant, space-saving profile suits both traditional and modern vanities. Designed for undermount installation in cabinets 19″ and wider, the P-201 fits a 1¾″ drain (pop-up drain not included) and includes two interchangeable overflow caps in Polished Chrome and Matte Black. cUPC-certified and backed by a limited lifetime warranty.

Perfect size for our powder room. Great quality.. Donna. Monument, CO. Fri Mar 27 2026

Constructed of thick, solid porcelain ceramic, the Krona collection from Ruvati offers undermount bathroom sinks that fit seamlessly into your vanity. For superior strength and long lasting durability, the vitreous porcelain enamel forms a smooth glossy surface that is extremely resistant to scratching, chipping or crazing. The smooth surface of the Krona collection drains water easily and does not stain, so your sink will remain dry and easy to clean. For a classic look that will never go out of style, choose the Krona collection for your bathroom or powder room vanity.

Sink is great. Unfortunately one came totally damaged in pieces but Wayfare replaced it without any questions asked. The replacement came in perfect condition.. Vera. Chagrin Falls, OH. Tue Mar 24 2026

White

Brush up on geometry for the bathroom. This minimalist under-counter sink from the American Standard Studio® suite would make a stunning addition to any modern bathroom. The simple square sink has a unique curved basin. Made from high-gloss, stain-resistant vitreous china. For use with a deck- or wall-mount faucet. Engineered to be both beautiful and durable, American Standard® bathroom sinks gracefully face everyday use. American Standard bathroom sinks come in a variety of styles and installations to match any lifestyle.

Small but that is what we needed. Good quality, good price. I recommend it.. Pete. San Diego, CA. Fri Mar 13 2026

Cotton

Refresh the powder room or master suite with this lovely sink, perfect for your next DIY bathroom project.

I LOVE my Toto sinks. They are large and the curves inside the bowl are really beautiful and modern. Clean looking, no flaws. Love knowing my sinks match my Toto toilet lol.. Jessica. Cerritos, CA. Sun May 31 2020

This white ceramic rectangular undermount bathroom sink combines durability and modern style. Vertical sides maximize interior capacity, providing ample space for daily washing. The smooth, non-porous surface makes cleaning effortless, and the built-in overflow prevents water from spilling onto the countertop. Perfectly suited for bathrooms, vanity areas, or powder rooms, it seamlessly integrates with your countertop for a sleek, contemporary look.

Simple. Stylish. Functional. I paired this sink with a tall faucet to maximize space. The sink was easy to install (undermount). You will have to purchase your own drain hardware so the design is infinite.. Shamika. Grant, FL. Fri May 08 2026

Ceramic bathroom sinks is crafted from high-quality ceramic materials, resistant to scratches, cracks, and chips, ensuring longevity and minimal maintenance. Available in a variety of styles, colors, and designs, they allow homeowners to select a sink that complements their bathroom décor and personal taste, enabling the creation of unique and personalized bathroom designs.

Great sink, perfect dimensions for a small bathroom counter at 15" wide and 10" deep on the inside. Nice finish and modern square corners too. We first ordered another brand that was 10" deep too but only 13.5" wide. And it was too small but also looked "off" in dimensions. A 3 to 2 ratio for width to depth is aesthetically perfect.. Anonymous. Thu May 21 2026

White

The great point ceramic rectangular undermount bathroom sink with overflow provides a sophisticated look to your bathroom. It has a contemporary style that complements the existing bathroom decor. This sink is made from ceramic, which makes it sturdy and durable. It is available in an exquisite finish that adds to its style quotient. It has a rectangular design that makes it perfect for center placement. The great point ceramic rectangular undermount bathroom sink with overflow from Nantucket sinks makes a fine addition to your bathroom. This sink can be easily wiped clean using a soft dry cloth. This ensures easy maintenance and keeps it looking good for a long time.

Difficult size to find and y'all had it!!. K. Milton, FL. Wed Feb 18 2026

"Sleek, high-gloss rectangular sink crafted from durable, non-porous porcelain with a baked-on glaze for easy cleaning. Its slim lines maximize counter space for any vanity. For standard undermount installation in cabinets 21″ and up, the P-200 fits a 1¾″ drain (pop-up drain not included) and includes two overflow rings in chrome and matte black. cUPC-certified and backed by a limited lifetime warranty"

Nice sink used to replace one that was cracked. The original one came already attached to a vanity and this one worked great.. Erin. Palatine, IL. Wed Mar 18 2026

White

Sleek and contemporary, part of the Collection, the 18" Rectangular Under-Mount Bathroom Sink features a timeless design that suits both traditional and modern bathroom decors. Blend it with your choice of countertops for a clean look.

This was the perfect sink for our needs. I needed a black sink and it couldn’t be too big because our vanity and the powder room was quite small. It looks great and I am very, very happy with the purchase.. Hope. Grand Junction, CO. Sun Apr 26 2026

Embrace a sophisticated look with the Verticyl undermount bathroom sink. This modern sink features vertical sides to create a deep, geometric basin. The undermount installation allows this sink to seamlessly integrate into your bath or powder room. Pair with your choice of beautifully crafted KOHLER faucet collections for a cohesive design.

We have a double sink bathroom & put in two of these sinks. They look great! The sink is deep enough and great rectangular shape! Love it!. Jea. Michigan. Wed Jan 03 2024

Transform your bathroom into a luxurious oasis with our 21" wide white vitreous china rectangular undermount bathroom sink. Offering a seamless blend of style and functionality, this sink is a must-have addition for modern bathrooms. Its clean lines and crisp white finish effortlessly complement any decor, while the undermount design creates a polished, integrated look. Crafted from premium vitreous china, this sink is not only stunning but also built to withstand the test of time. Complete with an overflow hole for added convenience, it's the perfect choice for discerning homeowners seeking both beauty and practicality.

great looking sinks at a great price. Dave. Bullhead City, AZ. Tue May 26 2026

This undermount bathroom sink is crafted with durable solid ceramic, low water absorption, smooth and polished surface, very resistant to scratch and stains, easy to keep clean. The rectangular sink can stand up to chipping and keep as pure white as new even after years of use.

Lydia. Oakville, ON. Wed Mar 11 2026

The Kaldera undermount sink’s simplicity is in its shape: a classic rectangle in a minimalist form. Designed to complement the Kaldera built-in bath, the Kaldera undermount sink is also beautiful on its own. Its clean look adds to its versatility, as it can bridge traditional to modern styles of décor with aplomb. Hand-polished to a lavish finish, and made with durable, beautiful Volcanic Limestone™, the Kaldera’s streamlined symmetry brings timeless elegance to any bathroom.

Robert. Fri Jun 13 2025

This under-mount bathroom sink is designed to be extremely functional and durable, this sink's depth and rectangular shape offer the best space usage for your vanity, it is made with a thick glaze that provides a pure glossy white color that will make your bathroom stunning. The smooth sink surface drains water easily keeping your sink dry and clean. Featured with front side overflow which provides a delicate appearance as is not visible during normal use, this modern sink is perfect not only for your home but also for commercial use, ideal for hotels, public restrooms, bars, restaurants, and any other bathroom space, this rectangular under-mount sink should not be missing from your bathroom counter. External dimensions: length: 20 3/8 inches, width: 14 ¼ inches, depth: 6 ½ inches.

These are really beautiful! If you want a drain that isn’t center and is back towards the water flow, this is that. Be mindful if you’re installing to research what kind of clips or structural support you will need tohave in place.. Debra. Powder Springs, GA. Sun Feb 01 2026

KARAMAG Ceramic Rectangle Undermount Bathroom Sink is one of Our Most Luxurious Sinks! It’s compatible with most wall-mount or countertop-mount faucets. Simple and versatile design, easily match with any fixtures in the bathrooms. Neat and clean undermount installation make this sink an affordable luxury. This undermount bathroom sink with overflow is made of high quality vitreous china for long term use,Won't chip,crack or craze.An overflow hole can prevent excessive water filling. Undermount installation saves more space on your countertop, meeting your space requirements.

These are great for a small vanity.. Tiffany. Indianapolis, IN. Thu Apr 02 2026

White

The stylish semi-recessed vessel sink can provide a simple and cozy decoration style for your bathroom and is ideal for both commercial use and home use. Being made from premium ceramic material, the semi-recessed bathroom sink comes with a high-gloss, non-porous, enamel coating, making it more hygienic and easier to clean. And the extended length makes this bathroom vessel sink more convenient to use, and can effectively prevent water from splashing out. The flat bottom style has softly rounded corners to prevent a collision, making it safer to use.

I absolutely love this sink. It is stunning. It added just what was missing in my bathroom. BEAUTIFUL.. Sherri. LA. Wed Apr 08 2026

White

Rectangular vitreous ceramic lavatory single-bowl undermount 20" x 15" x 7-1/2"

Cracked within the first year.. Albania. Waxhaw, NC. Thu Nov 27 2025

Elevate the style of your bathroom with our Ceramic Rectangular Undermount Bathroom Sink. This exquisite sink is designed to provide a sophisticated and modern look to your space. Crafted from high-quality ceramic, it not only offers durability but also adds a touch of elegance to your bathroom decor. With its rectangular shape, this undermount sink is perfect for center placement on your vanity countertop. Designed for under-counter installation, it seamlessly integrates with your countertop, creating a sleek and cohesive look.

Good sink. Michelle. Mclean, VA. Sat Apr 18 2026

Matte White

This 25.2-inch rectangular undermount ramp sink from Badeloft features a slope-to-drain design. The ramp basin slopes gently toward the drain, so water flows out completely without pooling. Stone resin is non-porous, meaning it won't stain or absorb moisture over time. Includes mounting hardware for undermount installation. Backed by a 10-year residential warranty.

Nice and sleek design, it is a brighter white than I hoped but I’m still keeping it. I know the ramp design has mixed reviews so I’ll report back after some use.. Mj. Thu Mar 19 2026

Embrace a sophisticated look with the Verticyl undermount bathroom sink. This modern sink features vertical sides to create a deep, geometric basin. The undermount installation allows this sink to seamlessly integrate into your bath or powder room. Pair with your choice of beautifully crafted KOHLER faucet collections for a cohesive design.

I love this sink. You can always count on Kohler to make a great product. It’s the perfect depth- not too deep- just deep enough. Very easy to wipe down and keep clean.. Tiffany. Omaha, NE. Mon May 18 2026

White

Inspired by traditional furniture and architectural elements, KOHLER® Memoirs features clean lines and rich detailing. Molded edges lend an elegant touch to this under-the-counter rectangular undermount bathroom sink.

It’s a beautiful sink. I love the look. I have put this into bathrooms now that’s how much I love it and I’ve purchased them both at Wayfair.. Linda. Southlake Tx. Fri Feb 13 2026

【High-quality Material】 This bathroom undermount sink is made of premium quality ceramic with low water absorption and acid resistance. The smooth and polished surface makes it very resistant to stains and be easily maintained. Comfortable hand feeling,the glaze texture is delicate and smooth, wear-resistant and does not fade.

Lovely sinks. Came with no cracks or issues. Excited to have these installed. Avena And David. TN. Sun Apr 27 2025

The Los Flexi 15.5" x 12" undermount sink is designed for modern bathrooms with limited space, delivering both style and practicality. Its compact rectangular shape fits seamlessly beneath countertops, while the high-gloss white vitreous china surface adds a clean, elegant finish. Built for daily durability, the non-porous ceramic resists stains, scratches, and discoloration. A chrome-finished overflow provides added protection against spills, and installation is quick with the included cutout dimensions. Whether you're upgrading a powder room or refreshing a small vanity, this sink offers a space-saving solution

These are small sinks, but worked perfectly for the space.. Anonymous. Sun May 24 2026

White

Inspired by a 1929 KOHLER® exhibition at the Metropolitan Museum of Art, the KOHLER® Kathryn collection captures the unforgettable style of a bygone era. With its modern interpretation of retro styling, this spacious rectangular undermount bathroom sink makes a striking addition to the bathroom.

This sink is well-made and it’s a focal point of our bathroom remodel. We get compliments on the sink every time I guest uses our main bathroom. I would recommend to anyone who wants a high-end bathroom sink.. Kelly. Carnation, WA. Sun May 03 2026

Spruce up your bathroom with the Scarabeo by Nameeks Miky Square Ceramic Undermount Sink with Overflow. The modern style of the sink complements the bathroom decor. Made from ceramic, this sink is sturdy and long-lasting. It is available in an elegant glossy white finish that adds to its style-quotient. This sink has a drip-free feature that helps prevent the wastage of water. It has a rectangular-shaped design that makes it ideal for center placement. The Miky Square Ceramic Undermount Sink with Overflow from Scarabeo by Nameeks requires some assembly. Easy to care for, this sink can be easily wiped clean with a soft and dry cloth to ensure easy maintenance.

I’ve bought two of these sinks and love them! I love that it’s deep and wide, but shallow out from the wall! I’m renovating my sister’s bathroom, and it is kind of on the small side. This sink will be great in it! I recommend it not only for its quality but also price!. Amy. US. Wed May 27 2026

Sleek, high-gloss rectangular undermount sink in durable, non-porous white porcelain with a baked-on glaze for easy cleaning. Classic lines maximize counter space. Fits standard undermount installation in cabinets 19″ and wider, accommodates a 1¾″ drain (pop-up drain not included) and includes two overflow caps in Polished Chrome & Matte Black. cUPC-certified and backed by a limited lifetime warranty

I bought this a month ago, easy installation, looks stylish. Nice workmanship and materials/. Felix Wan. Richmond Bc Canada. Tue May 20 2025

Matte White

This 19.7-inch bathroom undermount ramp sink from Badeloft features a slope-to-drain design. The ramp basin slopes gently toward the drain, so water flows out completely without pooling. Stone resin is non-porous, meaning it won't stain or absorb moisture over time. Includes mounting hardware for undermount installation. Backed by a 10-year residential warranty.

Very modern looking. I’m glad I opted for a deferent look. I haven’t had it install yet but so far so good. Anonymous. West Palm Beach, FL. Tue Mar 10 2026

Cotton

Created with modern simplicity, this lavatory offers a beautifully rimless, rectangle design. Features a generously wide basin, and large backsplash.

Great quality and I appreciate there isn’t a metal ring around the overflow hole.. Megan. Tue Dec 16 2025

White, 18" L x 12" W

Elevate your bathroom vanity with this premium rectangular undermount bathroom sink, the perfect blend of seamless style, hygienic design, and long-lasting durability for master bathroom remodels, guest bath overhauls, powder room refreshes, and rental property upgrades. This under-counter vanity basin is crafted from high-temperature fired porcelain with a smooth non-porous high-gloss glaze, delivering exceptional stain resistance, effortless daily maintenance, and a sleek seamless look that eliminates hard-to-clean gaps between the sink and countertop. Its timeless bright white minimalist design seamlessly complements modern, farmhouse, minimalist, and transitional bathroom decor styles, instantly upgrading the aesthetic and functionality of your bathroom while creating a more hygienic, easy-to-clean space for your household.

I love this sink because it is large and deep. Very clay with my quartz countertop and Wayfair vanity base. In love!. Leann. US. Mon Aug 12 2024

Glazed White

These sinks are just what our bath vanity needed. The are rectangles and deeper than the standard sink!. Armando. Palm Beach Gardens, FL. Sun May 31 2026

Create a clean and contemporary look in your bathroom with the streamlined undermount bathroom sink design of Elavo Ceramic Bathroom Sinks from Kraus. Made from high-quality vitreous china, these sinks offer the simple and timeless aesthetic of porcelain enamel, with durable construction for everyday use. The high-gloss porcelain glaze with a smooth non-porous finish is stain resistant and easily wipes clean. Undermount bathroom sink installation creates a seamless transition between sink and countertop, with no exposed mounting deck, allowing you to easily wipe water into the sink when cleaning your bathroom sink vanity. An overflow drain helps prevent the sink from overflowing while the primary drain is closed. Standard US drain opening is compatible with most plumbing fittings

Exactly what I was hoping for. Perfect.. Vicky. Yucca Valley, CA. Thu May 28 2026