Yes, WHARVES is a Scrabble word!

Letter values in Scrabble US: W 4, H 4, A 1, R 1, V 4, E 1, S 1.

Is it a valid word?

WHARVES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a platform built out from the shore into the water and supported by piles; provides access to ships and boats