Ilhéu das Rolas
Lonely Planet review
Ilhéu das Rolas is a small islet straddling the equator off the southern tip of São Tomé. It's an amazingly beautiful little island, home to the very upscale dive resort, Pestana Equador. If you're up for a splurge you can eat here and enjoy the beach, and they'll provide boat transport to and from their private dock north of Porto Alegre.