Stick with a sink that can take wear and tear for a child's or frequently used bathroom. For a guest bath or powder room, where storage isn't as crucial and space is tight, a pedestal or wall ...

Above: The Lacava Piazza Bathroom Sink is 15.75 inches; $450 at Perigold. Above: The Duravit Happy D.2 Ceramic Wall-Mounted Bathroom Sink is long (19.6 inches) but not very wide at only 8.6 inches ...