what is the purpose of a sink in a wet bar?
Answers:
To dump ice,water old drinks etc. in
Other answers:
it would be a "dry bar" if you didn't have the sink
it would be a "dry bar" if you didn't have the sink
A place to wash your wine glasses without having to carry them back and forth to the kitchen.
To supply the water for mixed drinks, to rinse out pitchers with tomato juice or whatever
Water to clean up spills. Those drinks are sticky!
the sink is the same principal as a well is in a bar