Undermount bathroom sinks are sleek, sophisticated and clean-looking. If you're in the market for a new one, there are plenty of excellent choices.

These are the best bathroom sinks to suit any space. Search. ... There's no overflow drain (common in sinks of this style) ... Kohler Caxton Undermount Bathroom Sink. $109 at Amazon.

My bathroom was remodeled about two months ago, and the vanity has a granite top with a china undermount sink. Yesterday, I noticed a long crack in the sink that extends up from the drain hole.