The 13 Best Undermount Bathroom Sinks You Should Own

Improve sanitary at home or workplace by using a sink. Some sinks have a non-porous surface to facilitate a hygienic experience. Others come with well-made faucet holes to drain water quickly. Kids in your household can clean their hands, whether wet or muddy, without worrying about clogging. In this review, we have the best undermount bathroom sink in the market.

The 13 Best Undermount Bathroom Sinks In 2021

Last update on 2022-06-25 at 01:32 (UTC+0) / Affiliate links / Images from Amazon Product Advertising API

#13. Vitreous China Undermount Bathroom Sink

Kohler 2882-0 Vitreous China Undermount Bathroom Sink

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By: Kohler

Washing hands after using the bathroom is a practice that improves hygiene. If there is no reliable water source, it might lead to infections caused by bacteria. This sink is an excellent addition to minimize mold and germ buildup as it offers a safe spot to clean the hands. Now, your whole family can enjoy quick cleaning without unnecessary splashes. This item has a deep design with vertical sides to keep the water inside the bowl straight through the drain holes.

You don’t need faucet holes when setting up this gadget. Use a wall mount faucet, and the provided instructions and enjoy a seamless procedure. The finish integrates into most powder room designs. Measuring 17.5 by 22 by 8.19 inches, it takes minimal countertop space. The underside is unglazed, but the rim color is glossy and stylish. Remember, the reason for the plain bottom is that the part is not visible when you finish the setup. We love the geometric rectangular shape made of Vitreous china to last for a longer time. Also, you get exceptional beauty and functionality.

  • Undermount installation
  • Smooth vertical sides
  • Compatible with wall counter mount faucet
  • Brightens up a bathroom
  • Affordable and eco-friendly
  • The bottom is a bit flat

#12. Ceramic Undermount Rectangular Bathroom Sink

Kraus KCU-241 Ceramic Undermount Rectangular Bathroom Sink

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By: Kraus

Update the look of your bathroom with an affordable ceramic sink by Kraus. It is a renowned brand that deals with bathroom accessories made of quality materials. Featuring a versatile design with baked-on glaze, it offers a high-gloss finish. That means a simple cleanup, maintenance, and natural decor coordination. Constructed from premium ceramic, it is resistant to stains and scratches. Also, the surface is fade-proof even after a long period of use. Not only to minimize maintenance but also to give you value for your money.

With a non-porous surface, it is smooth to facilitate a hygienic experience. Kids in your household can have a sanitary practice every time they use the toilet. Moreover, this product hinders bacterial growth from keeping space germ-free. It has a reliable drain opening suitable with a pop-up drain. The design with an overflow prevents water clogs, especially after washing muddy hands. Use the mounting hardware to complete the setup and, at the same time, get a seamless undermount transition between the sink and the countertop.

  • Affordable and reliable
  • Versatile design
  • High-gloss finish
  • Simple to maintain
  • Stain-resistant
  • The pop-up drain is not compatible with some sink designs

#11. Durable Undermount Bathroom Sink

KINGSMAN Durable 27.9 Inch Undermount Bathroom Sink

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Some bathroom designs have small spaces that prevent using large accessories. That does not mean it should affect your lifestyle and comfort. This undermount sink measures 27.9 inches suitable for most modern restrooms. It comes in a large rectangle shape that helps create extra room in the counter basin. Now, you can install in your guest bath, powder room, or master bath.

With an easy-to-clean surface, it offers a polished and contemporary style. Also, the use of Vitreous ceramic improves strength as it does not stain or chip like the rest. Although the material is longlasting, it is a bit hard to maintain the cleanliness. This is because there is not enough slope at the bottom, so some particles remain after water draining. Install quickly, thanks to a straightforward structure, mounting hardware, and numerous video tutorials. It can fit cabinet size, measuring more than 30 inches perfect for small and large rooms.

  • Attractive pure white color
  • Super large rectangle shape
  • Creates more basin space
  • Multipurpose and reliable
  • For 30-inch and above cabinet size
  • Lacks enough sink slope

#10. Ceramic Undermount Vanity

Nantucket Sinks Ceramic Undermount Vanity

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By: Nantucket Sinks

Don’t limit the design of your bathroom because of expenses. The above undermount vanity sink is the perfect accessory in any lavatory because of its functional and beauty elements. With a white finish, coordinating the room’s style is much easier than using bold colors. Plus, the tone improves brightness and lighting in the space suitable for small paces. Nantucket sink measures 16 by 11 inches and weighs 14 pounds for smooth handling. You can lift the whole structure with ease during installation.

The edges of some sinks are quite sharp, leading to cuts and bumps when not careful. This one has gone a step further to improve safety with its smooth corners. The style and 1.75-inch drain width, you no longer have to worry about poor draining. That means the water flows quickly and seamlessly even after extended use. Furthermore, this product has a bowl depth of 5.875 / 7.375 inches, suitable for cabinet base that measures a minimum of 21 inches.

  • Offers lovely aesthetics
  • Modern rectangular shape
  • Deep and sturdy construction
  • Easy to clean
  • Well-made drain
  • Small

#9. Geometric Undercounter Sink

American Standard 0426000.020 Undercounter Sink

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By: American Standard

The beautiful geometric design makes this under-counter sink standout from the rest. It has a unique curved square design, making it an attractive addition to a modern bathroom or lavatory. The shape fits comfortably and at the same time, saves counter space. Use it in your powder room or washroom at home even if you live in a small-spaced house. The customizable overflow position, supplied template, and mounting kit improve the assembly. Another thing is the use of high-gloss Vitreous China that provides numerous benefits. Firstly, it does not stain or chip as quickly as the other materials.

Designed to give you a simple setup, this product works well with a wall or deck-mount faucet. After installation, your bathroom gets a modern update without spending too much time and money. Some users feel the information is not clear about the color because this one has an off-white shade. The overall construction and appearance is the perfect bathroom gift. Give to a mother, sister, or new homeowners for them to enjoy a splash-free hand washing.

  • Beautiful geometric design
  • Perfect bathroom gift
  • Unique curved shape
  • High-gloss Vitreous China
  • Easy to clean
  • It is an off-white color

#8. Under-Mount Bathroom Sink With White Finish

AWESON Under-Mount Bathroom Sink

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What makes AWESON brand among the best in bathroom accessories is its affordability. This undermount sink is cheaper than other models and yet delivers exceptional service. Thanks to a white finish, you can complement the style of your lavatory, powder room, or bathroom. The color blends in well with most settings, even for commercial purposes. Usually, the newer sink styles have glazing on both sides. For this one, the underside is unglazed to standout from the rest. This design plus a longlasting ceramic material, improve use, cleaning, and performance.

If you worry about constant splashing every time you wash your hands, there is a solution. This item has enough bowl depth measuring 5.59″ / 7″ to minimize the mess. Also, it ensures you have a simple cleaning afterward without water on the counter or floor. With an interior dimension of 16″x11″, this product has a timeless rectangular shape. The profile fits most standard sinks to give a simple installation. Moreover, the available 1.7-inch drain diameter is perfect for eliminating water clogs.

  • Good and dependable craftsmanship
  • Quick and easy installation
  • Deep and sturdy design
  • Quality ceramic material
  • Glossy finish
  • For small bathrooms

#7. Callensia Rectangular Undermount Lavatory Sink

DECOLAV 1402-CWH Callensia Classically Redefined Rectangular Vitreous China Undermount Lavatory Sink

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By: Decolav

Decolav gives lavatories and bathroom accessories a distinctly stylish look. This undermount sink made of quality material delivers not only excellent strength but also durability. The use of vitreous china has a better stain resistance and rarely chips perfect for home and commercial settings. Also, the material is double-fired with a premium glazing for improved longevity. Boasting of a redefined rectangular shape, you get a classic feel every time you wash your hands. Plus, the style is timeless to complement and coordinate with both tradition and modern bathroom design.

The above accessory measures 20.39” in width by 14.48” in diameter by 8.26” in height to facilitate an easy installation. With ADA compatibility, mount it safely to improve the restroom look while using minimal counter space. Furthermore, this product weighs 23 pounds with a 6.38” top to bottom dimension for added setup convenience. Wipe off the white surface with a recommended cleaning tool such as soft brush or cloth to get a glossy effect.

  • Easy to install
  • ADA compatible
  • Longlasting vitreous China material
  • Stain-resistant
  • Eco-friendly and safe
  • The drains design could be better

#6. Undermount Porcelain Bathroom Sink

UPS-White Undermount Porcelain Bathroom Sink

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By: MR Direct

We love this product constructed from quality minerals and clay. The elements provide exceptional strength as well as a shiny appearance. Besides, it is triple-fired and triple-glazed at temperatures of 2,000°Fahrenheit. This is what is called vitreous china, which delivers a glossier, denser, and more durability than using standard porcelain. This porcelain sink has an overflow hole to prevent the water levels from rising to extreme levels resulting in splashes. Also, if you leave the faucet on, it ensures the sink does not overfill with water. The opening sits typically near or close to the top of a sink basin.

Choose your suitable style from the two options, white and bisque. Also, there are select models in black shade. The bisque comes with a unique cream-colored tint to an eggshell color while the white porcelain offers a stylish, cleaner, and classic look. For the black option, it has a gloss surface that is highly-reflective to deliver a sleek finish for your bathroom. Triple glazing and triple firing create more basin room. Also, the material is triple resilient to extreme abuse and does not stain to give you easy maintenance.

  • Stylish sloping front design
  • Discrete overflow
  • Simple to use
  • Sanitary-safe material
  • Triple glazing for more durability
  • The sink is a bit small than other similar-sized models

#5. Oval Ceramic Undermount Vanity Sink

Nantucket Sinks UM-13x10-W 13-Inch by 10-Inch Oval Ceramic Undermount Vanity Sink

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By: Nantucket Sinks

Nantucket Sinks makes quality bathroom accessories that offer lasting service. The under-counter sink measures 13 x 10 inches perfect for small spaces. That means if you live in a dorm room, apartment, and even an RV, the design is more functional. Also, the bowl depth is around 6.1 inches to minimize mess and excessive splashing. The depth plus an oval finish delivers a contemporary yet stylish feel in most bathroom settings. Built from Vitreous china with a lovely porcelain enamel glaze, the powder room aesthetics are much better.

Some colors never lose style, such as white. This best undermount bathroom sink has a lovely bright finish to coordinate well with your existing decor and accessory. You can match it with shampoo, cabinet, and even tiles to have an integrated bathroom design. Also, the shade cleans up well to leave a brighter and shinier element. A well-made 1.5-inch drain opening has an overflow to improve use and installation. Mount it quickly without special instructions or tools to get the job done effortlessly.

  • For small settings
  • Quality vitreous china material
  • Elegant white finish
  • Modern oval shape
  • Reduces excessive splashing
  • Does not come with an installation template or mounting brackets

#4. Ceramic Undermount Sink

Friho 18.5''x13.8''x7.9'' Undermount Sink

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By: Friho

Save time and money; you could have used to buy different undermount sink for various applications. The Friho is perfect for both home and commercial settings. It has a lovely design to offer a timeless and modern look. Not only that but also the structure comes with overflow to improve the installation process. With a 7.9 inch height by 13.8-inch width by 18.5-inch length, it is perfect for most bathroom basins. Now, you can mount it in your lavatory or powder room.

Designed with premium ceramic, it has better strength and stain-resistance. Besides, it wipes clean with the standard cleanup solutions without leaving the unsightly lines. The material provides excellent durability as well as scratch-resistance for a more extended period than the rest. In addition to beauty, it has a crystalline glaze for more polished effects. Install quickly at the comfort of your home to save space and water every time you wash your hands.

  • Scratch-resistant
  • Easy to maintain
  • Simple under-counter installation
  • For home and commercial applications
  • Modern and sleek design
  • Some complaints of an uncentered overflow drain

#3. Modern Pure White Rectangle Undermount Sink

Lordear 18'' Vessel Sink Modern Pure White Rectangle Undermount Sink

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By: Lordear

LORDEAR is among the leading luxury bath, living room, and kitchen products manufacturer. It has created this bathroom sink with an oval shape to bring out a timeless and modern feel. That means you can install it in a master bath, powder room, or guest bath. Using high-quality materials and new technology, durability is a guarantee. Ceramic has low water absorption, stain-resistance, and acid resistance to ensure simple maintenance. Also, the content is easy to clean with a polished surface.

Another essential feature is a simple installation procedure. Use the provided instructions or watch some setup videos for an effortless assembly. With an exterior dimension of 17-1/4 by 12-1/4 by 6-3/4 inch deep, and interior size of 15 by 10 inch deep, it fits a drain size of 1-3/4″. The overall setup saves space, time, and water to give you maximum dependability. This item is 18 inches in size, perfect for a vanity or lavatory bathroom. The other models don’t coordinate well with such a style, thus making this more functional.

  • Creates timeless design
  • For powder room or master bath
  • Low water absorption
  • Acid-resistance material
  • Simple to maintain
  • A bit hard to keep clean

#2. Caxton Under-Mount Bathroom Sink

KOHLER K-20000-0 Caxton Under-Mount Bathroom Sink

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By: Kohler

Don’t you just hate splashes every time you wash your hands or face on the sink? This undermount unit solves this problem thanks to its modern rectangular shape. It has a rounded bottom to reduce splashing and, at the same time, minimize cleaning. The design is perfect, together with a white finish to offer a sleek bathroom transition. Not only to brighten up the place but also to bring out a serene mood. Featuring a clamp and an overflow drain, assembly is a breeze. There is no need for faucet holes for the setup but works well with either a counter or wall-mount faucet.

This item is made of vitreous china material for lasting beauty and durability. Now, you can use it without worries of fading, rusting, or activewear. The construction is suitable for powder or bathrooms to get a seamless style integration. This accessory is 20.3 x 15.8 x 7.3 inches to fit different sizes of bathroom basins.

  • Modern rectangular shape
  • Offers a sleek bathroom transition
  • Clamps easily
  • Requires counter or wall mount faucet
  • Lasting vitreous china material
  • Compatible with a counter or wall-mounted faucet

#1. Pure White Rectangle Undermount Sink

KINGSMAN 24 Inch Rectangle Undermount Sink

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White, especially pure white, add lovely aesthetics in any place. This best undermount bathroom sink improves your bathroom style wit its timeless finish. You can pair the color with most decor, such as a cabinet, tiles, and even countersink. Not all sinks have similar shapes and sizes. This one from Kingsman boasts of a rectangular design that creates more space in your basin for different places. You can use it for a master bath, guest bath, or powder room. It has a 1.75-inch drain opening that is compatible with any pull-up and pop-up drain with an overflow.

The exterior size measures 24 inches in length by 15-1/2 inches wide and 8 inches deep to fit modern bathroom styles. Also, its 6-inch deep interior dimension ensures there is less splashing when in use. We love the polished surface with smooth edges to improve the installation process to fit a 26-inch cabinet. Built from quality ceramic, it is simple to clean and maintain. Use the recommended cleanup solution or just soapy water to remove dirt and debris build-up.

  • Super large design
  • Easy to clean
  • Lightweight and stylish
  • 24-inch standard size
  • Creates more sink room
  • There is no larger size

Buying Guides For The Best Undermount Bathroom Sink

The following are the top features you should check before buying an undermount sink.


The material used for construction is essential to most factors, such as color. One of the common ones is for bathroom sinks is Vitreous China. It offers a lot of benefits, such as stain resistance and fade-resistance. That means you can use the tub for a more extended period without worrying about discoloring. Also, this material has a higher strength than regular porcelain. It undergoes a lengthy process mixing clay and minerals to improve durability.

Draining Holes

The next element is the holes that will help prevent clogs. Most designs have faucet mounting holes. Ensure the hardware, hole spacing, and overall structure match with your bathroom sink design. This will help you have a comfortable setup without the need for drilling additional faucet holes.


Bathroom bowls range between 6 inches up to 12 inches deep. The deeper the sink is, the lesser the splashes. But remember, your height also affects the splashing effect and comfortability. You may need to bend a bit more than shorter people to reach the sink bottom easily. Undermount sinks are 1 ½ inch lower, unlike the top-mounted models.

Installation and Maintenance

Consider the price and effort a repair might cost when purchasing an undermount sink. Replacing a sink and faucet is much easier and cheaper because you can counter or sink mount during assembly. Most bathroom faucets have a lifetime warranty to cover stains and leaks. Always go for items with a lengthy warranty, in case of problems arise.


Check out the best undermount bathroom sinks to get one that improves hygiene in your household. They are made from quality material with excellent strength to extend durability. Also, the high-gloss finish adds lovely aesthetics in most powder rooms and bathrooms.

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