Sunset Reef, St Kitts The best new boutique hotel in the Caribbean has romance down to a science, all girded with an impressive focus on sustainability. This geothermally-powered boutique retreat has its own private beach, an unforgettable infinity pool, a surprisingly broad wellness offering (including a hot and cold plunge circuit and a full fitness center) and what is almost certainly the best restaurant on the island. And then there’s the pool deck, where you’ll gather every night to see some of the best sunsets of your lifetime.