Cabins: 4 Upper deck twin-share(bunks) cabins.4 lower deck twin share (bunks) cabins. Boat Layout: The Estrella isn´t as big as some of the other ships, but her cabins and public spaces are deceptively roomy. there´s more than enough space for everyone on board, especially up on her glorious wraparound upper deck. Crew: The Estrella carries a team of seven crew members and one CEO Naturalist Guide who are well-versed in the local wildlife, vegetation and geology of the islands, certified by the Galapagos National Park Service.