We just booked a weeks vacation in April to Marathon. Staying at Key Cove. was thinking of renting a boat for a few days while there, but unfamiliar with the area. are there spots to go for snorkeling and what not or is better to just book a trip for that? since I'm not familiar with the area I think it would be better to book a fishing trip with a charter and then book a snorkel trip for the family rather then renting a boat and not being familiar with the area....