Best Bathroom Vanity Sink Tops Under $100 (2026)
We selected items under $100 with high user ratings and value scores, prioritizing material quality, correct sizing, and mounting style relevance for common bathroom vanities
This roundup compares bathroom vanity sink tops and backsplashes under $100, focusing on durable materials, mounting style, and user-rated value. Picks were chosen by combining value scores, user ratings, material (engineered marble, vitreous china, porcelain, granite look), and size/fit versatility for common vanity depths
Top Picks
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1
Bathroom vanity backsplash/sidesplash in super black engineered marble
Backsplash and sidesplash protect bathroom walls around vanity sinks with a water-resistant surface. Designed to complement standard vanity sinks and countertops, it maintains wall integrity and adds a finished look. Customers note it fits well and looks great
- water resistance
- back and side wall protection
- fits standard vanities
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2
Bathroom vanity backsplash/sidesplash - Absolute Black Granite 4" x 22"
Protects bathroom walls from water damage and complements standard vanity sinks and countertops. Customers note high quality, good fit, and appealing look
- water-resistant splash protection
- versatile back-and-side wall coverage
- complimentary to standard vanities
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3
18 inch rectangular undermount bathroom sink, white ceramic
White ceramic undermount sink with 18 in. external size and no faucet holes. Durable vitreous china with smooth glaze for easy cleaning. Customers note accurate dimensions and easy installation
- durable glazed ceramic
- rectangular undermount with vertical sides
- easy-to-clean smooth glaze
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4
20.5 in Oval Undermount White Ceramic Sink (No faucet holes)
Oval undermount bathroom sink in white ceramic with smooth glaze for easy cleaning. Suitable for vanity installations with a 1.75" drain; includes overflow and durable vitreous china construction. Customers note accurate dimensions and easy installation
- undermount oval design
- durable glazed finish
- accurate external dimensions
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5
Lordear Undermount Black Bathroom Sink 19x16 Oval
Undermount oval black porcelain bathroom sink with a rimless, seamless install. Resists stains with a non-porous surface and easy daily cleaning. Customers note good quality, nice shine, and easy installation in cabinets
- rimless, seamless installation
- stain-resistant non-porous surface
- balanced size for vanities
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6
Lordear Undermount Black Bathroom Sink 18x15 Inch
Undermount black porcelain bathroom sink with overflow, designed to mount under a countertop for a seamless look. Easy to clean and maintain. Customers note good quality and easy installation
- undermount design for seamless look
- non-porous porcelain for easy cleaning
- modern black finish
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7
Design House Cultured Marble Vanity Top 19 in with integrated sink
Cultured marble vanity top with integrated oval sink and backsplash. Durable, water- and stain-resistant surface with pre-drilled 4-inch centerset faucet holes; includes built-in overflow and deck plate. customers note great fit and easy installation
- integrated sink and backsplash
- pre-drilled for 4-inch centerset faucet
- durable cultured marble surface
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8
Design House 25 in Vanity Top with Sink, Cultured Marble
25 in cultured marble vanity top with integrated oval sink and 4 in backsplash for splash protection. Pre-drilled centerset faucet holes for standard 4 in centerset or deck plate installations; easy to clean and stain-resistant
- integrated sink for streamlined install
- stain-resistant, easy-clean surface
- pre-drilled 4-inch centerset compatibility
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9
14 Inch White Undermount Rectangle Bathroom Sink
White undermount rectangle bathroom sink with no faucet holes and 14" x 12.5" external dimensions. Ideal for small vanities; customers note accurate size and easy undermount installation
- no faucet holes
- external 14.0x12.5 size
- holds 1.75 drain opening
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10
14 inch small undermount bathroom sink, white ceramic
White undermount rectangle bathroom sink with curved sides. No faucet holes, external 14.4x12.7x6.1 in, internal 12.4x10.8x4 in; includes 1.75 in drain opening. Customers note easy cleaning and extra counter space
- undermount rectangle design
- curved sides for style
- no faucet holes for customization