Best Undermount Bathroom Sinks of 2025

Howard Chester Avatar
Howard Chester
Last Updated: Jan 8, 2025

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Undermount bathroom sinks are a sleek and modern addition to any bathroom. Unlike traditional drop-in sinks, undermount sinks are mounted underneath the countertop for a seamless and streamlined look. They come in a variety of shapes, sizes, and materials, including porcelain, ceramic, and stainless steel. Undermount sinks are easy to clean and maintain, as they do not have any crevices for dirt and grime to build up in. They are also a popular choice for smaller bathrooms, as they take up less countertop space while still providing ample room for handwashing and other bathroom tasks.

At a Glance: Our Top Picks

KOHLER Caxton Rectangle Undermount Bathroom Sink Cover #TOP 1
KOHLER Caxton Rectangle Undermount Bathroom Sink
ftb score rating icon 9.8
DeerValley DV-1U101 Ally Modern Undermount Bathroom Sink Cover #TOP 2
DeerValley DV-1U101 Ally Modern Undermount Bathroom Sink
ftb score rating icon 9.7
Ticor 18" Square White Porcelain Undermount Sink (2 Pack) Cover #TOP 3
Ticor 18" Square White Porcelain Undermount Sink (2 Pack)
ftb score rating icon 9.5

Top 10 Undermount Bathroom Sinks

KOHLER Caxton Rectangle Undermount Bathroom Sink

20000-0
White
KOHLER Caxton Rectangle Undermount Bathroom Sink Cover
KOHLER 20000-0 Caxton Rectangle Undermount Bathroom Sink with Overflow Drain, 20-1/4" W x 15-11/16" D, White

The KOHLER Caxton Rectangle Undermount Bathroom Sink is a versatile and attractive sink that suits both traditional and modern bathroom decors. The sink is made of vitreous china, which ensures lasting beauty and exceptional durability. It has a simple, streamlined design that is easy to clean and combines the sleek look of an integrated basin with just about any countertop. The sink requires wall or counter mount faucet and comes with no faucet holes. It is an undermount installation with a rectangular basin that has an overflow, but the drain is not included.

What We Like
Simple, streamlined design
Versatile and attractive
Easy to clean
Lasting beauty and exceptional durability
Rectangular basin with overflow

DeerValley DV-1U101 Ally Modern Undermount Bathroom Sink

Deer Valley
DV-1U101
White
DeerValley DV-1U101 Ally Modern Undermount Bathroom Sink Cover
DeerValley DV-1U101 Ally Undermount Bathroom Sink Rectangular, 21'' x 15'' Vessel Sink Rectrangle Undermount Bathroom Sink White Ceramic Lavatory Vanity Vessel Sink with Overflow

The DeerValley DV-1U101 Ally Modern Undermount Bathroom Sink is the perfect addition to any modern bathroom or bar vanity. Made of premium quality ceramic, it features a smooth and polished surface that is very resistant to scratches and stains, making it easy to clean. The sink also includes an overflow hole to prevent excessive filling, and a standard 1.75 inch drain opening that works with pull-up and pop-up drains. With its undercounter installation, this sink offers modern, minimalist elegance and glamour to instantly update any room.

What We Like
Modern and luxurious style adds elegance and glamour to any bathroom or bar vanity
Premium quality ceramic construction is low in water absorption, acid-resistant, and easy to clean
Overflow hole prevents excessive filling and standard 1.75 inch drain opening works with pull-up and pop-up drains

Ticor 18" Square White Porcelain Undermount Sink (2 Pack)

Ticor
B1-WT
White
Ticor 18" Square White Porcelain Undermount Sink (2 Pack) Cover
Ticor 18" Square White Porcelain Undermount Bathroom Vanity Sink Ceramic (2 Pack)

This product includes two 18-inch square white porcelain undermount bathroom sinks with a ceramic thick glaze and vitreous china material. The sinks have a rectangular shape with basin dimensions of 16"x11", making them perfect for a master bathroom dual vanity. These sinks are designed to be installed beneath the countertop for a seamless look and easy cleaning.

What We Like
Two-pack for master bathroom dual vanity
Easy to clean due to undermount design
Durable ceramic thick glaze material

KOHLER K-2209-0 Caxton Under-Mount Sink

2209-0
White
Pack of 1
KOHLER K-2209-0 Caxton Under-Mount Sink Cover
Caxton Oval 15" x 12" Undermount bathroom sink, White

The KOHLER K-2209-0 Caxton Under-Mount Bathroom Sink is an oval-shaped sink made of vitreous china material with an unglazed underside. It features an overflow drain and requires no faucet or faucet holes, allowing it to seamlessly integrate into your bath or powder room design. The sink coordinates with other products in the Caxton collection and has a drain hole of 1-3/4 inch.

What We Like
Vitreous china material for lasting beauty and exceptional durability.
Under-mount installation allows for seamless integration into your bath or powder room design.
Coordinates with other products in the Caxton collection for a cohesive look.
#TOP 5

MEJE #202H -18 Inch Rectangle Undermount Bathroom Sink

MEJE
MJ-202H-
18 Inch
MEJE #202H -18 Inch Rectangle Undermount Bathroom Sink Cover
MEJE #202H -18 Inch Vessel Sink Rectangle Undermount Bathroom Sink Lavatory Vanity Ceramic, White

The MEJE #202H -18 Inch Rectangle Undermount Bathroom Sink is a modern and sleek sink made from high-quality white ceramic material. It features a rectangular undermount design with overflow and a glossy, scratch-resistant finish. With easy undermount installation and all mounting hardware included, this sink is a great choice for any bathroom. Please note that it does not have faucet holes and requires a wall or counter-mount faucet.

What We Like
Modern sleek style
High-quality white ceramic material with glossy finish
Easy undermount installation with all hardware included
#TOP 6

HOROW 20-Inch Rectangular Bathroom Sink

HR-S5138D
White
HOROW 20-Inch Rectangular Bathroom Sink Cover
HOROW Undermount Bathroom Sink Rectangle, 20 x 15 Inch Rectangular Vessel Sink with Overflow, White Ceramic Under Counter Sink for Bathroom, Small Porcelain Square Lavatory Vanity Sink

The HOROW Rectangular Sink combines style and functionality for your bathroom. Its elegant design features smooth curves and a classic white finish, enhancing your decor. As an undermount sink, it fits seamlessly under the counter, making cleanup a breeze while maximizing your washing space. Made from high-quality ceramic, this sink is durable and resistant to scratches and stains, ensuring it remains pristine for years. Additionally, its overflow design prevents spills, keeping your countertop dry and tidy. This sink is a perfect choice for your modern bathroom needs.

What We Like
Stylish design
Easy to clean
Durable ceramic material
Overflow protection
#TOP 7

Swiss Madison Plaisir 21 Sink

Swiss Madison
SM-UM623
White
Swiss Madison Plaisir 21 Sink Cover
Plaisir 21 Rectangular Under-Mount Bathroom Sink

The Swiss Madison Bathroom Sink is designed for easy installation under your counter, making setup a breeze. Its durable finish is scratch-resistant and non-porous, ensuring it stays looking new for years. Cleaning is a simple task thanks to its polished surface, which helps prevent grime buildup. Additionally, this sink can coordinate seamlessly with any faucet, allowing you to customize your bathroom look effortlessly. With these features, you can enjoy a stylish and functional sink that meets your needs.

What We Like
Easy installation
Scratch-resistant surface
Simple cleaning
Versatile faucet compatibility
#TOP 8

Lordear 18x14 Undermount Sink

LUF1814
White
18x14
Lordear 18x14 Undermount Sink Cover
Lordear Undermount Bathroom Sink 18x14 Inch White Rectangle Bathroom Sink Deep Bowl Porcelain Ceramic Lavatory Vanity Sink Basin with Overflow

The Lordear Undermount Sink is designed for modern bathrooms, featuring a sleek, rectangular shape that adds elegance to any space. Its dimensions of 18x14 inches provide ample depth for daily use while accommodating standard drain sizes. Made from high-quality porcelain, this sink is not only durable but also resistant to stains and scratches, ensuring it remains pristine over time. The easy undermount installation process, complete with mounting clips and instructions, allows you to set it up effortlessly, making it a convenient choice for homeowners looking to enhance their bathrooms.

What We Like
Elegant modern design
Durable porcelain material
Easy undermount installation
Stain and scratch resistant
#TOP 9

KOHLER Ladena Undermount Bathroom Sink

2214-0
White
KOHLER Ladena Undermount Bathroom Sink Cover
KOHLER 2214-0 Ladena Rectangular Undermount Bathroom Sink With Curved Bottom, 20-7/8" W X 14-3/8" L, White

The KOHLER Ladena Sink is designed for use with KOHLER vanities and console tables, making it a perfect fit for your bathroom setup. Its undermount installation allows for a seamless look, creating a clean aesthetic that enhances your space. This sink features no pre-drilled faucet holes, which means you can choose a wall or counter-mounted faucet that best suits your style. Crafted from durable vitreous china, it offers both beauty and longevity, ensuring that your sink remains a stunning focal point for years to come.

What We Like
Seamless undermount installation
Customizable faucet options
Durable vitreous china material
Designed for KOHLER vanities
#TOP 10

Hugsleek Oval Undermount Sink

Hugsleek
White Undermount
16"x13"
Hugsleek Oval Undermount Sink Cover
Undermount Bathroom Sink Oval, Hugsleek Interior Bowl Size 16 x 13 inch White Porcelain Ceramic Vessel Sink Under Counter Oval Exterior size 18x15in Bath Sink Bowl Basin Lavatory Vanity Fireclay

The Hugsleek Oval Sink is crafted from premium fireclay, ensuring exceptional durability and resistance to scratches and impacts. Its non-porous, glazed surface makes cleaning a breeze, preventing grime buildup and maintaining a pristine look over time. Designed for convenience, the sink features a U-shaped bottom for efficient drainage, so you won't have to deal with standing water. With a timeless style and ample washing space, this sink not only enhances your bathroom's aesthetics but also provides practical functionality for daily use.

What We Like
Durable fireclay construction
Easy to clean surface
Efficient drainage system
Timeless design
Buying Guide Image

Choose the Best Undermount Bathroom Sinks for Your Needs

Introduction

When it comes to choosing a new undermount bathroom sink, there are a plethora of options to consider. From the material to the size and shape, there are many factors that can impact the overall look and functionality of your bathroom. In this article, we will go over some important considerations to keep in mind when selecting an undermount bathroom sink, as well as some helpful tips for making the right decision.

Material

One of the first things to consider when choosing an undermount bathroom sink is the material it is made from. The most common materials used for undermount bathroom sinks are ceramic, porcelain, and stone. Each of these materials has its own unique benefits and drawbacks, so it's important to consider which one will work best for your needs.

Ceramic sinks are a popular choice because they are relatively inexpensive and come in a wide range of colors and styles. They are also easy to clean and maintain, but can be prone to chipping and scratching. Porcelain sinks are similar to ceramic sinks, but are generally more durable and less prone to chipping. Stone sinks, on the other hand, are known for their durability and longevity, but can be more expensive and require more maintenance.

Size and Shape

Another important factor to consider when choosing an undermount bathroom sink is the size and shape. The size of the sink should be determined by the size of your bathroom and the available space. A larger bathroom can accommodate a larger sink, while a smaller bathroom may require a more compact option.

As for the shape of the sink, there are several options to choose from. The most common shapes for undermount bathroom sinks are oval, rectangular, and square. The shape you choose will largely depend on personal preference and the overall aesthetic of your bathroom.

Installation and Maintenance

Another important consideration when choosing an undermount bathroom sink is the installation process and the required maintenance. Undermount sinks are installed by attaching the sink to the underside of the countertop, which can be a more complex process than a traditional top-mount sink. It's important to make sure you choose a sink that is compatible with your countertop material and that the installation process is within your abilities or can be completed by a professional.

In terms of maintenance, undermount sinks require more careful cleaning and upkeep than top-mount sinks. Since the sink is installed underneath the countertop, it can be more difficult to access and clean the edges and corners. It's important to choose a material that is easy to clean and maintain, and to be diligent about regularly cleaning and maintaining your sink to ensure it stays in good condition.

Conclusion

Choosing the right undermount bathroom sink is a crucial decision that can impact the overall look and functionality of your bathroom. By considering the material, size and shape, installation and maintenance, and your personal preferences, you can make an informed decision and select a sink that will meet your needs and enhance the aesthetic of your bathroom.

Frequently Asked Questions (FAQs)

1. What are the disadvantages of an undermount sink?

Undermount sinks have a few disadvantages. They require more support due to their weight. They also take up space, sitting lower than drop-in sinks. Additionally, they are more difficult to replace compared to other types of sinks.

2. What are the benefits of undermount bathroom sinks?

Undermount bathroom sinks offer several benefits. They make it easier to clean the countertop since the sink is installed underneath. They also have a more popular and attractive style compared to other sink types, providing a sleek and modern look to any bathroom.

3. Which is better, an undermount sink or a drop-in sink?

It depends on personal preference and specific needs. Some argue that drop-in sinks are better because they are easier to access and clean. However, undermount sinks have a more aesthetically pleasing appearance. Both types of sinks can accumulate grime along the caulk line where the sink meets the counter, but cleaning the caulked gap of an undermount sink may be slightly trickier.

4. Are drop-in sinks outdated?

The perception of whether drop-in sinks are outdated or not is subjective. However, it is true that undermount sinks have gained popularity and are considered more modern and sleek in appearance. The clean lines of undermount sinks provide a contemporary look, which has contributed to the rise in their popularity.

5. Do undermount sinks get mold?

Undermount sinks can be prone to mold if proper countertop sealing is not done. When water splashes onto the exposed portion of the countertop underside, it can seep through porous materials, creating a breeding ground for mold in the sink area. To prevent this, it is important to ensure proper sealing of the countertop.

6. What type of bathroom sink is easiest to clean?

Undermount sinks are the easiest to clean. They are mounted below the countertop, exposing the edge of the countertop surface around the sink. With no rim to contend with, undermount sinks offer a smooth surface and are easier to clean compared to other sink types.

Editor's Notes

During our undermount bathroom sink research, we found 24 undermount bathroom sink products and shortlisted 10 quality products. We collected and analyzed 7,111 customer reviews through our big data system to write the undermount bathroom sinks list. We found that most customers choose undermount bathroom sinks with an average price of $74.72.

The undermount bathroom sinks are available for purchase. We have researched hundreds of brands and picked the top brands of undermount bathroom sinks, including KOHLER, Deer Valley, Ticor, MEJE, HOROW. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Howard Chester Avatar

Howard Chester is an architect from New York who holds a master's degree in architectural design, his passions for interior design and home improvement contribute to his extensive knowledge of all things furniture and home goods. Howard Chester Specializes in various architectural and interior design projects. He often publishes articles related to decoration on key websites and interior design magazines.