St. Marie Reef is a shore-accessible reef at Coral Estate with a healthy wall that drops quickly once you leave the beach. It works well for relaxed day dives, night dives, and divers who want a straightforward west-coast setup with strong reef life. Expect a simple check-in at the onsite dive shop, reef structure in the shallows, and a marine mix that can include parrotfish, pufferfish, trumpetfish, barracudas, sea turtles, and plenty of small reef fish around the coral heads.