Half Moon is having internet issues today (LIME) so they text me the following:
"The boat ride is $5 round trip and entrance fee to the beach is $5 per person, the island has restrooms and a chef grilling food and there is a bar, next to our island is a beautiful reef and yes they can bring their snorkeling gear otherwise we rent it here for $10. We have taxi service for $8 roundtrip from hotels in negril. They can call me 1-876-809-6041."