Just 100 metres from Cabanas, this 17th century, star-shaped fort now serves as an environmentally friendly guest house. It offers an outdoor pool and stunning views of Ilha de Cabanas and the Atlantic Ocean. Forte De São João offers rooms fitted with modern furnishings, paintings and sculptures. Some rooms have spacious seating areas with plush sofas. Breakfast can be enjoyed in the breakfast room, once a vaulted ceiling chapel, or on the terrace while enjoying the ocean view. A selection of cold, refreshing drinks can be found at the bar. Forte De São João Da Barra offers a boat which can be used to explore Ria Formosa Nature Reserve. Staff can also provide information about hiking or organise rental bikes. Free Wi-Fi is available in public areas of the guest house.