Former French banker Jean-Luc Boucharenc has opened his two-bedroom Flat in Rio to travelers who want a little privacy in Brazil's sexiest city. Part of a collection of properties, including House in the Forest, the penthouse apartment has a terrace with views of Sugarloaf Mountain and Ipanema Beach, as well as a private rooftop pool. Boucharenc's other rental retreats are equally stylish: House Niemeyer, designed by the country's most famous architect and set in Rio's Jardim Botânico, and the stone-and-wood Colonial House in Paraty, surrounded by lush tropical foliage. Flat in Rio, 32 Rua Barao da Torre; 55-21/9319-4790; www.houseinrio.com; apartment from $360.