Filters

Undermount Bathroom Sinks

Showing 1 - 12

View
Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU400GG Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU400GG
Best seller
Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT191G#01 Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT191G#01
TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT191G#01
Sale price$480.00 Regular price$578.00
In stock, ready to ship
Sale
Alternate Image for Nantucket Sinks Brightwork Home 24" Stainless Steel Bathroom Sink, TRS2416 Alternate Image for Nantucket Sinks Brightwork Home 24" Stainless Steel Bathroom Sink, TRS2416
Nantucket Sinks Brightwork Home 24" Stainless Steel Bathroom Sink, TRS2416
Sale price$749.99 Regular price$999.99
In stock, ships in 1–2 days
Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Colonial White, Vitreous China, LT191G#11 Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Colonial White, Vitreous China, LT191G#11
TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Colonial White, Vitreous China, LT191G#11
Sale price$450.00 Regular price$526.00
In stock, ready to ship
Sale
Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gold, 16 Gauge, CCU400G Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gold, 16 Gauge, CCU400G
Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gold, 16 Gauge, CCU400G
Sale price$279.95 Regular price$329.95
In stock, ships in 1 day
Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU400SS Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU400SS
Sale
Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Brushed Copper, 16 Gauge, CCU400BC Alternate Image for Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Brushed Copper, 16 Gauge, CCU400BC
Alternate Image for Nantucket Sinks Great Point 24" Ceramic Bathroom Sink, White, UM-2112-W Alternate Image for Nantucket Sinks Great Point 24" Ceramic Bathroom Sink, White, UM-2112-W
Nantucket Sinks Great Point 24" Ceramic Bathroom Sink, White, UM-2112-W
Sale price$226.00
In stock, ships in 1–2 days
Sale
Alternate Image for Nantucket Sinks Brightwork Home 24" Brass Bathroom Sink, TRB2416-OF Alternate Image for Nantucket Sinks Brightwork Home 24" Brass Bathroom Sink, TRB2416-OF
Nantucket Sinks Brightwork Home 24" Brass Bathroom Sink, TRB2416-OF
Sale price$1,012.43 Regular price$1,349.90
In stock, ships in 1–2 days
Alternate Image for TOTO Rectangular Undermount Bathroom Sink, Ebony, Vitreous China, LT191#51 Alternate Image for TOTO Rectangular Undermount Bathroom Sink, Ebony, Vitreous China, LT191#51
TOTO Rectangular Undermount Bathroom Sink, Ebony, Vitreous China, LT191#51
Sale price$610.00 Regular price$831.00
Low stock, ready to ship
Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Bone, Vitreous China, LT191G#03 Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Bone, Vitreous China, LT191G#03
TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Bone, Vitreous China, LT191G#03
Sale price$510.00 Regular price$638.00
Sold out
Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Sedona Beige, Vitreous China, LT191G#12 Alternate Image for TOTO Rectangular Undermount Bathroom Sink with CEFIONTECT, Sedona Beige, Vitreous China, LT191G#12

FAQs

An undermount bathroom sink is installed beneath the countertop rather than sitting on top of it. This creates a seamless look and allows the countertop surface to extend cleanly over the sink edge.

Yes. Because there is no raised rim, water and debris can be wiped directly from the countertop into the sink, making undermount sinks easier to keep clean than drop-in styles.

Undermount bathroom sinks work best with solid countertop materials such as quartz, granite, marble, concrete, and solid surface materials. These materials provide the strength needed to support the sink from below.

Most modern bathroom vanities are compatible with undermount sinks, but cabinet size, countertop thickness, and sink dimensions should be checked to ensure proper fit and support.

Yes. When properly installed, undermount bathroom sinks are very durable. The mounting method helps protect the sink edges from impact and reduces wear over time.

Installation is typically more involved than drop-in sinks and usually requires professional installation. Proper sealing and support are important to ensure long-term performance.

No. In fact, undermount sinks maximize usable countertop space because the sink does not sit above the surface.

Undermount sinks offer a cleaner, more integrated look and are easier to clean, while vessel sinks are more decorative and sit above the countertop. The best choice depends on design preference and daily use needs.

Free Shipping

On orders over $75 in the continental US

50,000+ Orders Delivered

Trusted by homeowners & trade pros since 2018

Expert Support

Real people, not bots. Personalized service.

Give Back

We donate to environmental charities.