Bathroom Sink Types: Undermount, Drop-In, Vessel
Drop-in sinks rest on the counter by their rim and are the simplest to install, undermount sinks hang below for easy cleaning, and vessel sinks sit on top.
By Karson AbernathyContributing writer.
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The short answer
Bathroom sinks are sorted by how they mount. Sinks that go into a counter come in three main styles:
| Type | How it mounts | Strong point | Watch out for |
|---|---|---|---|
| Drop-in (self-rimming) | Lowered into a cutout; the rim rests on the counter | Simplest to install | The rim can catch debris |
| Undermount (undercounter) | Fixed below the counter opening | No rim, easiest to wipe clean | Must be planned with the counter |
| Vessel (above counter) | Sits on top of the counter or vanity | A bold look | Needs a lower counter and a tall or wall faucet |
Other styles include pedestal, wall-mount, console, corner and one-piece vanity tops.
Undermount vs drop-in sink
American Standard describes drop-in sinks as the simplest type to install, because the rim holds the sink in place on the counter. It also calls them the style most often found in busy family bathrooms.
An undermount sink sits under the counter with nothing on top, so you can sweep water and debris straight into the bowl. American Standard calls it the easiest type to keep clean and notes that it frees up counter space.
Vessel sink vs undermount
A vessel sink rests on the counter or is partly recessed into it, according to Kingston Brass, and it never installs below the counter. Because the bowl adds height, American Standard advises setting the counter lower than normal so the basin stays comfortable to reach, and pairing it with a tall vessel faucet or a wall-mounted faucet. An undermount sink keeps the counter at normal height and works with standard faucets.
Of the 76 bathroom sinks listed on Wiki Shopping on October 26, 2026, 42 are vessel sinks, 16 console sinks, 11 vanity sink tops and 2 pedestal sinks. Browse them under tools and home improvement.
Standard bathroom sink size
There is no single standard bowl size; makers sell many widths and depths. What has to match is your space:
- Cutout or vanity: a replacement drop-in or undermount sink must fit the existing opening, so measure it before shopping.
- Faucet holes: American Standard notes that the sink and faucet must share the same hole spacing, usually a single center hole, 4 inches or 8 inches.
- Height: for an accessible sink, the ADA Accessibility Standards set the front of the rim or counter at no more than 34 inches above the floor.
Other sink styles
- Pedestal: a basin on a column, suited to powder rooms where storage matters less.
- Wall-mount: hung at the height you choose, which helps with universal access.
- Console: a basin on legs or a stand.
- Vanity top: a counter and sink made as one piece, which American Standard notes leaves no crevices to clean.
How we count
Sink types are read from each store listing on Wiki Shopping. Sinks that do not state a type are left out of those counts, and the counts change as listings are added or removed.