Nha Phu Bay, Nha Trang, Vietnam © Thang Tat Nguyen/Getty Images
Nha Phu Bay is a hidden treasure near the Vietnamese city of Nha Trang. Visitors from all over the world come here to snorkel, go island hopping, savor delicious seafood, and enjoy water sports. Hon Mun Island in Nha Trang Bay is the site of Vietnam"s only official marine reserve. Here you can explore coral reefs teeming with fish, including snakeheads and cyprinids. Among the bay"s popular attractions are Monkey Island which, as the name suggests, is home to gray-haired and red-faced monkeys, and Orchid Island, which boasts a great variety of orchid species.