10 Best Undermount Bathroom Sink of December 2025

• DESIGN: Rectangular basin for a sleek transition in your bathroom.
• FEATURES: Overflow drain and clamp assembly.
• REQUIRES: No faucet or faucet holes; requires wall- or counter-mount faucet.
• MATERIAL: Vitreous china for lasting beauty and exceptional durability.
• INSTALLATION: Under-mount installation allows this sink to seamlessly integrate into your bath or powder room design.
• DIMENSIONS: 20.3 x 15.8 x 7.3 inches
• COORDINATION: Coordinates with other products in the Caxton collection.

Kohler

• 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.
• MATERIAL: Vitreous china for lasting beauty and exceptional durability.
• INSTALLATION: Under-mount installation allows this sink to seamlessly integrate into your bath or powder room design.
• Bowl Area: Length- 15.25 inch, Width- 12.25 inch
• COORDINATION: Coordinates with other products in the Caxton collection.

Kohler

• Classic Rectangle shape creates timeless design in a guest bath, master bath or powder room
• Easy-to-clean polished surface with seamless undermount installation with 24” Minimum Cabinet Size
• Exterior Size: 20.9” x 14.75” x 8” Deep | Interior Size: 18.75” x 12.25” x 7.5”
• Standard 1.75 inch drain opening works with pull-up & pop-up drains with overflow
• Certified and listed by cUPC with Liftetime warranty

KINGSMAN

• Compact Size Ideal for Small Spaces
• 1.5" Drain Opening with Overflow
• Crafted from Vitreous China
• Designed to Undermount to Solid Surface Counter
• Exterior Dimensions- 15 x 12.125 inches, Interior Dimensions-13 x 10.125 inches. Bowl Depth-6.125 inches

Nantucket Sinks

• 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
• Suitable Drain Size:1-3/4",pop-up drain is not included,pls buy it separately if needed.
• Warranty:This product is covered by 10-years warranty and you're protected by a 100% money back guaranteea! Any issues of the product, please contact us by email first!

Friho

• Exterior dimensions: 19-13/16"W x 15-5/8"D
• Interior dimensions: 17-1/4"W x 13"D
• No faucet holes
• Unglazed underside
• Constructed of vitreous china

Kohler

• DESIGN: Classic rectangular basin with beveled edges and clean geometry.
• FEATURES: Overflow drain.
• REQUIRES: No faucet or faucet holes; requires wall- or counter-mount faucet.
• MATERIAL: Vitreous china for lasting beauty and exceptional durability.
• INSTALLATION: Under-mount installation allows this sink to seamlessly integrate into your bath or powder room design.
• Dimensions-15.31 x 7.5 x 19.87 inches
• COORDINATION: Coordinates with other products in the Archer collection.
• WATER DEPTH: 3-3/4" (95 mm)

Kohler

• EASY MAINTENANCE– Simple to care for with a mild chlorine bleach cleaner and water.
• CONTEMPORARY STYLING – With classy undermount installation, this rectangular porcelain beauty flaunts a glistening, deep, arched interior with a discreet overflow for safe filling
• VITREOUS CHINA – It’s not just porcelain, it’s true vitreous china; an even more impervious and sanitary surface resulting from the addition of a special enamel coating
• INHERENT DURABILITY – Triple glazing and triple firing creates a basin which is triple resilient to abuse; no staining, unlikely chipping, easy to maintain
• UNDERMOUNT INSTALLATION – installation below the vanity top provides a trending, contemporary look

MR Direct

• Exterior Dimensions: 18" x 12.875" (nominal - actual may vary by .25")
• Interior Dimensions: 16" x 10.875" (nominal - actual may vary by .25")
• Bowl Depth: 5.875 / 7.375 inches. Cabinet Requirements - Fits 21 inch cabinet base minimum
• This sink has a 1.75" drain diameter.
• With overflow

Nantucket Sinks

• Classic Rectangle shape creates timeless design in a guest bath, master bath or powder room
• Easy-to-clean polished surface with seamless undermount installation with 24” Minimum Cabinet Size
• Exterior Size: 20.9” x 13.5” x 6.5” Deep | Interior Size: 19” x 11.75” x 5.5”
• Standard 1.75 inch drain opening works with pull-up & pop-up drains with overflow
• High quality smooth ceramic ensures your durable & scratch-resistant lifetime use. Certified and listed by cUPC with Liftetime warranty

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