A great escape, this idyllic retreat is perched on its own little 1-acre cay in the middle of North Sound; it’s only accessible by free ferry or boat. The island belonged for 3 decades to the late legendary diver Bert Kilbride, who discovered some 90 shipwrecks in and around the B.V.I. and whose scuba-diving resort course is taught around the world. Bert’s former private island has been transformed into a luxe complex of nine one- and two-bedroom suites. Today this boutique hotel is ideal for swimming, sailing, or exploring North Sound. But with a good restaurant and jaunty bar right on the property, you’ll never have to leave. Look for the little nautical museum with shipwreck artifacts accumulated by Bert.