About one mile north of Holetown is the government-run Folkestone Marine Park. This is basically an underwater park with exhibits, and beach facilities. I was told that there was an underwater trail there. I was also told that it had been destroyed in the last hurricane.
Neither the people in the gift shop or the folks at the aquarium knew anything about the underwater trail, and I never found it. It may have been out farther than I went.
Folkestone has a good beach, along with fresh water showers. I wasn't sure whether we were expected to tip the changing room attendents or not. Before we went snorkeling, we went through the interpretive center and museum with marine and coastal environment displays, exhibits of the island’s fishing industry and a salt water aquarium. I also did a little shopping at the souvenier shop.
Lots of folks go snorkeling off of boats - a combo of a booze cruise and a snorkeling cruise.