It was a windy day with strong current and wake.  Vessel 1 backed out of his slip, when he engaged drive (forward) and he started to travel forward a little the boat was washed/ pushed into vessel 2 that was in another slip.  The front left corner and the wakeboard tower of vessel 1 collided with the swimming platform of vessel 2.
The damage to vessel 1 was the rub rail, some fiberglass damage and the wakeboard tower is bent.
The damage to vessel 2 was limited to the swimming platform.  One of the brackets is broken and bent.  There is some fiberglass damage to the edge of the platform.
Austin