We were looking for a relaxing place for a babymoon and booked Anse Chastanet. It didn't disappoint! The villas were lovely. Ours had an incredible view of the Pitons and the water, and so we spent a good deal of time sitting on the porch, watching the birds and taking in the breathtaking views. We were slightly worried about the lack of air conditioning, but it was not an issue at all -- the room was cool and breezy at night, and the sheets and robes are thin, so we were never hot. The beds are all outfitted with mosquito nets, and we found sleeping under them to be quite romantic.
The beach exceeded expectations. The black sand wasn't rocky at all, and the water was clear and beautiful. We spent most of our days there, just relaxing under the cabanas. Although we'd venture out to the resort's second beach most days for lunch -- the burger there is worth the trek.
The service was also excellent; everyone was friendly and welcoming. The only slight drawbacks are (1) the winding car ride to the resort, which did make me a little nauseous, and (2) the steep stairs that lead you to and from the beach. But you forget about the car ride as soon as you arrive at the resort, and the stairs end up being a nice built-in form of exercise.
In short, it was a lovely stay, and we would love to return someday!