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Undermount Bathroom Sinks

Enhance the sleek and seamless look of your bathroom with our collection of Undermount Bathroom Sinks at The Sink Boutique. Designed for a clean and modern aesthetic, these sinks are installed beneath the countertop for a smooth, integrated appearance. Choose from a range of shapes, sizes, and materials... Show More >

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Native Trails Cabrillo 21" Rectangle NativeStone Concrete Bathroom Sink, Pearl, NSL2014-P

Native Trails Cabrillo 21" Rectangle NativeStone Concrete Bathroom Sink, Pearl, NSL2014-P

Sale $51600 Reg. $688.00
Native Trails Tolosa 19" Oval NativeStone Concrete Bathroom Sink, Pearl, NSL1916-P

Native Trails Tolosa 19" Oval NativeStone Concrete Bathroom Sink, Pearl, NSL1916-P

Sale $51600 Reg. $688.00
Native Trails Amara 20" x 14" Rectangle Fireclay Bathroom Sink, Gunmetal, PML2014-M

Native Trails Amara 20" x 14" Rectangle Fireclay Bathroom Sink, Gunmetal, PML2014-M

Sale $1,48350 Reg. $1,978.00
Main Image of Ruvati Krona 18 x 13 inch Undermount Bathroom Sink Black Rectangular Porcelain Ceramic with Overflow, RVB0720BK

Ruvati Krona 18 x 13 inch Undermount Bathroom Sink Black Rectangular Porcelain Ceramic with Overflow, RVB0720BK

Sale $17900 Reg. $223.75
New TOTO Legato Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT624G#01

TOTO Legato Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT624G#01

Sale $57000 Reg. $710.00
New TOTO Rendezvous Oval Undermount Bathroom Sink with CEFIONTECT, Bone, Vitreous China, LT579G#03

TOTO Rendezvous Oval Undermount Bathroom Sink with CEFIONTECT, Bone, Vitreous China, LT579G#03

$34000
New Premier Copper Products 15" x 11" Oval Dual - Undermount or Drop In Copper Bathroom Sink, Oil Rubbed Bronze, 17 Gauge, LO15FDB

Premier Copper Products 15" x 11" Oval Dual - Undermount or Drop In Copper Bathroom Sink, Oil Rubbed Bronze, 17 Gauge, LO15FDB

Sale $19900 Reg. $284.00
Native Trails Trough 36" Rectangle Copper Bathroom Sink, Antique Copper, CPS206

Native Trails Trough 36" Rectangle Copper Bathroom Sink, Antique Copper, CPS206

Sale $1,69875 Reg. $2,265.00
Native Trails Tolosa 19" Oval NativeStone Concrete Bathroom Sink, Slate, NSL1916-S

Native Trails Tolosa 19" Oval NativeStone Concrete Bathroom Sink, Slate, NSL1916-S

Sale $51600 Reg. $688.00
Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU400GG

Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU400GG

$25995
New TOTO 24" Oval Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT1506G#01

TOTO 24" Oval Undermount Bathroom Sink with CEFIONTECT, ADA Compliant, Cotton White, Vitreous China, LT1506G#01

$37000
Sale Main Image of Ruvati Ariaso 20" Rectangle Undermount Stainless Steel Bathroom Sink, Gunmetal Matte Black, 16 Gauge, RVH6110BL

Ruvati Ariaso 20" Rectangle Undermount Stainless Steel Bathroom Sink, Gunmetal Matte Black, 16 Gauge, RVH6110BL

Sale $22900 Reg. $447.50
Native Trails Cabrillo 20.75" x 14.75" Rectangle Undermount NativeStone Concrete ADA Bathroom Sink, Ocean, NSL2014-O

Native Trails Cabrillo 20.75" x 14.75" Rectangle Undermount NativeStone Concrete ADA Bathroom Sink, Ocean, NSL2014-O

Sale $51600 Reg. $688.00
Karran Cinox 15.75" x 15.75" Square Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU500SS

Karran Cinox 15.75" x 15.75" Square Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU500SS

$22995
BOCCHI Scala 22" Rectangle Undermount Fireclay Bathroom Sink, White, 1006-001-0125

BOCCHI Scala 22" Rectangle Undermount Fireclay Bathroom Sink, White, 1006-001-0125

Sale $12880 Reg. $156.00
Sale Karran Cinox 15.75" x 15.75" Square Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU500GG

Karran Cinox 15.75" x 15.75" Square Undermount Stainless Steel Bathroom Sink, Gunmetal Grey, 16 Gauge, CCU500GG

Sale $20697 Reg. $229.95
New TOTO 21-1/4" x 14-3/8" Large Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT540G#01

TOTO 21-1/4" x 14-3/8" Large Rectangular Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT540G#01

Sale $30600 Reg. $310.00
Sale Main Image of Ruvati Cresta 20 x 14 inch Brushed Stainless Steel Undermount Ramp Bathroom Sink Stainless Steel, 16, RVH6140ST

Ruvati Cresta 20 x 14 inch Brushed Stainless Steel Undermount Ramp Bathroom Sink Stainless Steel, 16, RVH6140ST

Sale $29900 Reg. $373.75
New TOTO Connelly Square Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT491G#01

TOTO Connelly Square Undermount Bathroom Sink with CEFIONTECT, Cotton White, Vitreous China, LT491G#01

$38000
Main Image of Premier Copper Products 19" Oval Copper Bathroom Sink, Oil Rubbed Bronze, LO19FSBDB

Premier Copper Products 19" Oval Copper Bathroom Sink, Oil Rubbed Bronze, LO19FSBDB

Sale $20800 Reg. $297.00
Main Image of Ruvati Krona 17 x 12 inch Undermount Bathroom Vanity Sink Emerald Green Rectangular Porcelain Ceramic with Overflow, RVB0718EG

Ruvati Krona 17 x 12 inch Undermount Bathroom Vanity Sink Emerald Green Rectangular Porcelain Ceramic with Overflow, RVB0718EG

Sale $18900 Reg. $236.25
Sale Nantucket Sinks Brightwork Home 20" Brass Bathroom Sink, TRB-OF

Nantucket Sinks Brightwork Home 20" Brass Bathroom Sink, TRB-OF

Sale $89999 Reg. $1,199.99
Native Trails Classic 19" Oval Nickel Bathroom Sink, Polished Nickel, CPS868

Native Trails Classic 19" Oval Nickel Bathroom Sink, Polished Nickel, CPS868

Sale $88875 Reg. $1,185.00
Native Trails Trough 36" Rectangle Nickel Bathroom Sink, Brushed Nickel, CPS506

Native Trails Trough 36" Rectangle Nickel Bathroom Sink, Brushed Nickel, CPS506

Sale $2,29500 Reg. $3,060.00
Sale Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU400SS

Karran Cinox 15.75" x 23.625" Rectangular Undermount Stainless Steel Bathroom Sink, 16 Gauge, CCU400SS

Sale $23397 Reg. $259.95
Nantucket Sinks Great Point 21" Ceramic Bathroom Sink, White, UM-19x11-W

Nantucket Sinks Great Point 21" Ceramic Bathroom Sink, White, UM-19x11-W

Sale $13800 Reg. $162.50
BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Matte Black, 1384-004-0125

BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Matte Black, 1384-004-0125

Sale $16160 Reg. $194.00
Native Trails Cabrillo 20.75" x 14.75" Rectangle Undermount NativeStone Concrete ADA Bathroom Sink, Charcoal, NSL2014-C

Native Trails Cabrillo 20.75" x 14.75" Rectangle Undermount NativeStone Concrete ADA Bathroom Sink, Charcoal, NSL2014-C

Sale $51600 Reg. $688.00
Main Image of Premier Copper Products 17" Oval Copper Bathroom Sink, Oil Rubbed Bronze, LO17FDB

Premier Copper Products 17" Oval Copper Bathroom Sink, Oil Rubbed Bronze, LO17FDB

Sale $19900 Reg. $284.00
Dawn 19" Ceramic Undermount Bathroom Sink, White, Round, CUSN007A00

Dawn 19" Ceramic Undermount Bathroom Sink, White, Round, CUSN007A00

$10474
Sale Karran Cinox 17" x 27.5" Oval Undermount Stainless Steel Bathroom Sink, Gold, 16 Gauge, CCU200G

Karran Cinox 17" x 27.5" Oval Undermount Stainless Steel Bathroom Sink, Gold, 16 Gauge, CCU200G

Sale $24297 Reg. $269.95
BOCCHI Scala 22" Rectangle Undermount Fireclay Bathroom Sink, Matte White, 1006-002-0125

BOCCHI Scala 22" Rectangle Undermount Fireclay Bathroom Sink, Matte White, 1006-002-0125

Sale $16160 Reg. $194.00
BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Sapphire Blue, 1384-010-0125

BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Sapphire Blue, 1384-010-0125

Sale $16160 Reg. $194.00
BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Matte White, 1384-002-0125

BOCCHI Parma 22" Oval Undermount Fireclay Bathroom Sink, Matte White, 1384-002-0125

Sale $16160 Reg. $194.00
Sale Nantucket Sinks Brightwork Home 48" x 14" x 6" Rectangle Undermount Stainless Steel Bathroom Sink, 18 Gauge, TRS48-OF

Nantucket Sinks Brightwork Home 48" x 14" x 6" Rectangle Undermount Stainless Steel Bathroom Sink, 18 Gauge, TRS48-OF

Sale $1,42499 Reg. $1,899.99
Sale Main Image of Ruvati Ariaso 18" Rectangle Undermount Stainless Steel Bathroom Sink, 16 Gauge, RVH6107

Ruvati Ariaso 18" Rectangle Undermount Stainless Steel Bathroom Sink, 16 Gauge, RVH6107

Sale $16900 Reg. $297.50