Bathroom Undermount Sink - Products
A bathroom undermount sink mounts beneath the countertop, leaving a smooth, rimless edge that wipes clean straight into the bowl — the reason undermount basins are a favorite with granite, quartz and solid-surface vanity tops. Moonshine Bath stocks oval, rectangular and square undermount bathroom sinks in durable vitreous china and other materials, in white, biscuit, black and on-trend neutrals to suit any vanity.
Undermount sinks pair with deck- or counter-mounted faucets, so check your faucet drilling before ordering. Each sink ships free across North America, dispatches within 24 hours on weekday orders before 2 PM EST, and carries our price match + 10% beat guarantee. Building or renovating at scale? Ask about trade-pro pricing.
Frequently Asked Questions
What countertops work with an undermount sink?
Undermount sinks work best with solid countertops like granite, quartz, marble and solid surface, which can hold the sink's weight and present a finished edge. They're not recommended for standard laminate, which can swell if water reaches the particleboard core.
Where does the faucet go with an undermount sink?
Because undermount sinks have no faucet deck, the faucet is mounted on the countertop or wall behind the basin. Confirm the hole spacing on your counter matches the faucet you choose.



















