Best Undermount Bathroom Sinks in 2026

HANDCRAFTED HIGH QUALITY CONSTRUCTION: The Pure Copper Hand Hammered Rotunda Dual Mount Bathroom Vanity Sink (16 inches) is handcrafted by our skilled artisans to strike a balance of beautiful design with lasting performance. The undermount bathroom sink is made of solid, heavy gauge pure copper that will stand the test of time.

STYLISH APPEARANCE AND DESIGN: The drop in bathroom sink is enhanced with hand hammered impressions and an attractive oil rubbed bronze finish. Perfect to upgrade your home, condo, apartment, restaurant and bed and breakfasts.

VERSATILE: Dual Mount designed for flexible and easy installation. This feature allows this bathroom sink round to be installed as a drop-in or undermount. Includes cutout template for installation; does not include drain faucet.

EXTRA-TOUGH CONSTRUCTION: Dent-resistant T304 stainless steel in TRU16 real 16-gauge (always 1.5mm thick) for superior strength and durability

COMMERCIAL GRADE SATIN FINISH is corrosion and rust-resistant; easily wipes clean

QUIETEST SINK: NoiseDefend soundproofing technology features extra-thick pads covering over 80% of the sink and non-toxic undercoating for added insulation

DESIGN: Rectangular basin with curved bottom.

FEATURES: Overflow drain.

REQUIRES: No faucet holes; requires wall- or counter-mount faucet.

GREAT VALUE: A versatile sink made from high-quality ceramic that’s extremely resistant to scratches and stains, and will not fade over time

HYGIENIC & EASY TO CLEAN: Smooth non-porous surface is resistant to bacterial growth, with a premium baked-on glaze for a high-gloss finish that’s easy to keep clean

ABOVE-COUNTER installation allows you to update your bathroom sink without replacing the entire vanity

Sink Dimensions: 33" X 18-3/4" X 9-1/2" Min. Cabinet Size: 36"

UNDERMOUNT INSTALLATION: Sink is installed beneath the countertop creating a seamless appearance between the sink and the countertop.

SINGLE BOWL: Bowl gives you uninterrupted space for washing and stacking dishes or other household tasks.

GREAT VALUE: A versatile sink made from high-quality ceramic that’s extremely resistant to scratches and stains, and will not fade over time

HYGIENIC & EASY TO CLEAN: Smooth non-porous surface is resistant to bacterial growth, with a premium baked-on glaze for a high-gloss finish that’s easy to keep clean

INSTALLATION-READY: All mounting hardware included for your convenience – LIFETIME LIMITED WARRANTY and customer service that puts you first

Exterior Dimensions : Length: 18.5'' , Width: 13.8'' , Height: 7.9''

Easy for undercounter installation and maintaining clean

Mordern sleek style rectangular undermount design with overflow in high quality smooth ceramic ensures your durable & scratch-resistant lifetime use

Sleek and contemporary rectangular undermount bathroom sink, offering modern, elegant and glamour to update lavatory bathroom.

This bathroom sink is crafted with high grade ceramic porcelain, specially designed for impact-resistance.

This rectangle bathroom sink has a smooth, non-porous surface with a baked-on glaze for added durability and a high-gloss finish. Simply wipe the sink surface with a damp cloth to keep it looking beautiful with minimal maintenance.

Undermount sink constructed of 16 GAUGE premium grade T-304 STAINLESS STEEL (18/10 Chromium/Nickel) - will never rust or tarnish | Commercial grade BRUSHED FINISH - Easy to clean and long-lasting

Heavy duty SOUND GUARD undercoating - Minimizes noise and prevents condensation. | UNDERMOUNT Installation.

Includes matching POP-UP DRAIN - umbrella style push pop-up makes it easy to install and use

EASY TO CLEAN AND DURABLE: The Houzer Quartztone Granite Dual Mount 13 x 13 inch Single Bowl Bar/Prep Sink is impervious to stains, chips, cracks, and scratches, making it easy to clean and maintain.

VERSATILE INSTALLATION OPTIONS:This sink comes with a rear-set 3-1/2" drain opening and can be installed as either an undermount or topmount, providing flexibility for your bar or prep area. It is a perfect choice for a single bowl bar/prep small sink.

QUARTZTONE GRANITE CONSTRUCTION: Made with Quartztone Granite, this sink is extremely tough and durable. It features a composition of 80% quartz and 20% acrylic, ensuring long-lasting performance.

❤ Modern Undermount Bathroom Vessel Sink - Best Sleek European inspired modern contemporary design, arc beautiful, elegant and generous. Our 21x14 inch rectangle white sinks are widely used in home bathroom, restaurant, Office building, school, Lavatory ,indoor or outdoor.

❤Stain Resistant Rectangular Bathroom Sink - Using high-quality clay 1380° high-temperature firing for low water absorption,acid resistance. Lordear white bathroom sink can be keep new even after many years of using. Triple glazed Smooth and polished surface, no fade/scratches/chip, svery resistant to stains and can be easily clean and maintained.

❤ Undermount Ceramic Vessel Sink - undemount installation method makes this 21" white sink super easy in installation. Package includes mounting clips and instruction.

Drop in or Undermount installation

Dimensions: 17" x 13" x 5.5"

Bowl dimensions: 15.375" x 11.25" x 5.25"

Vitreous china lavatory

Extra smooth surface

Overhang cutout template

DESIGN: Oval basin with unglazed underside for a timeless, easy-to-clean addition to your bath or powder room.

FEATURES: Overflow drain.

REQUIRES: No faucet or faucet holes; requires wall- or counter-mount faucet.Drain hole:1-3/4 inch

Geometric rectangular basin with vertical sides.

Overflow drain.

No faucet holes; requires wall- or counter-mount faucet.

SINK DIMENSIONS: 32" L X 19" L X 9.5" D and designed to fit a minimum 36" cabinet

DURABLE MATERIAL: Patented SILGRANIT material is heat, scratch, stain, chip and impact resistant

HYGIENIC+PLUS SURFACE TECHNOLOGY: Acts as a protective shield against liquids and dirt inhibiting bacteria growth by up to 98%

✔ SLEEK AND STYLISH- The 22 inch rectangular vessel sink is mounted under the counter, making it easy countertop cleaning and allows for more space on your countertop. White finish can fit the decor of any bathroom, under-mount sink seamlessly integrates into your bathroom or powder room design.

✔ EASY-TO-CLEAN - Glazed porcelain surface resists scratches and stains, low water absorption, the smooth and polished surface can be easily cleaned and maintained. Geometric rectangular Featuring vertical sides for a deep basin.

✔ LONG-LASTING DURABILITY - Mocoloo square bathroom sink is constructed of solid porcelain and added a special additional enamel to make it high-shine appearance. Undermount type bathroom sinks with overflow to prevent water overflowing out to wet counter tops, keep your bathroom clean and dry.

Square undercounter mount sink

Made of vitreous china

Customizable overflow position

【VESSEL SINK AND DRAIN COMBO】One white ceramic bathroom vessel sink and one high quality stainless steel pop-up drain(valued at least $20) combo.

【SINK DIMENSION】Exterior Dimensions: 18.8" x 15.4". Interior Dimensions: 17.1" x 13.8". Bowl Depth: 5.9" / 7.8" (nominal - actual may vary by 0.25"). Overflow type.

【CABINET REQUIREMENTS】 Fits 21 inch cabinet base minimum. Undermount installation.

The most spacious KOHLER(R) undercounter lavatory

21"L x 14"W

Constructed of vitreous china

Exterior Dimensions: 20.375" x 15.125" (nominal - actual may vary by .25")

Interior Dimensions: 18.125" x 13" (nominal - actual may vary by .25")

Bowl Depth: 6 inch - 7.625 inch. Cabinet Requirements - Fits 21 inch cabinet base minimum

【23 INCH UNDERMOUNT KITCHEN SINK】Exterior dimensions: 23" width (side-to-side) x 18" depth (front-to-back); Interior dimensions: 21" width x 16" depth x 10" height; Coutertop cutout size: 21" width x 16" depth, R10mm. The 10 inch deep kitchen sink undermount makes easier for you to soak and clean dishes and tableware etc.

【HEAVY-DUTY 16 GAUGE T-304 STAINLESS STEEL SINK】Aschael stainless steel kitchen sink is made of premium 16-gauge 1.5mm-thick T-304 stainless steel for your durable use,will never rust or stain. Commercial grade brushed finish helps resist scratch,corrosion and rust,long-lasting appearance. Modern R10 tight radius design maximize the workspace of the sink, and easy to clean.

【FAST & COMPLETE DRAINAGE DESIGN】This undermount sink is designed with slopped bottom and X-shaped drain grooves that ensure draining water quickly and prevent water pooling. Standard 3.5" drain openings will fit any garbage disposal unit.

【Size】Rectangle Bathroom Sink Dimensions: length:20 inch , width:14 inch, height: 6.8inch, Inner size: 17" x 11" x 4.5". Suitable Drain Size:1-3/4"(Faucet and pop up drain not included - must be purchased separately)

【Durable and Not easy to Crack】Ceramics has been through high-temperature treatment, it is not easy to crack, you don't have to replace it annually.

【Not Easy to Change Color】The thickened and smooth ceramic ensures that the sink basin is not easy to change color, it always shines like a brand new one with bright white color.

✅[Modern Luxurious Styling]: Modern contemporary classic add high-style to any bathroom or bar vanity with this white undercounter sink, which offers modern, minimalist elegance and glamour to instantly update any room.

✅[Premium Quality Ceramic]: Rectangle Bathroom Undermount Sink, Premium Quality Ceramic Construction, low water absorption, acid resistance, smooth and polished surface, very resistant to scratch and stains, easy to clean.

✅This sink features an overflow hole to prevent excessive filling. Standard 1.75 inch drain opening works with pull-up & pop-up drains with overflow.(Drain Assembly Included: No)

[ Bathroom Sink ] : Mordern sleek style, rectangular undermount design with overflow .

[ Material ] : made from high-quality white ceramic material , using premium glaze with high-glossy finish , low water absorption and can resists scratches and stains, easily maintained .

[ Dimensions ] : Exterior Size: 20-7/8”L x 14-3/4 ”W x 8-3/8” H | Interior Size: 18-3/4”L x 12-5/8”W x 6"Deep (nominal - actual may vary by 0.25")

⭐ [ CENTERPIECE FOR ANY BATHROOM COUNTER ] : The ANZZI Rhodes Series sink is crafted using the finest quality Vitreous China, ANZZI’s Modern bathroom sinks can be elegantly shaped and captivating vessel centerpiece for any bathroom counter.

⭐ [ EASY TO CLEAN ] : Scratch-tough and stain-resistant non-porous surface allows easy-to-clean low maintenance.

⭐ [ PREMIUM QUALITY MATERIAL ] : Each ANZZI bathroom vessel sink is crafted using the finest quality Vitreous China resulting in a smoothly polished basin with the delicate features of fine china and the stubborn durability of high end ceramics. This bowl sink is built to last through years.

Kohler Vertical Round Under counter Bathroom Sink With No Faucet Hole Drilling, 15-3/4 In. Wide Diameter, White

Interior dimensions: 13-3/4" diameter

The product is manufactured in China

Don't settle for an ordinary bath sink, copper sinks are beautiful and simple to care for

Handcrafted in our state-of-the-art factory

High-Quality and Luxurious hammered nickel finish

Overall size 17.75" X 13.56", Bowl 15.5" X 11.5 X 6" deep

18 gauge T-304 stainless steel

SpecPlus edges for added strength and StoneGuard undercoating

Vitreous china square basin with vertical sides fits 24" vanity

Overflow drain hole

No faucet holes - under-mount installation