Hon Mun Island - Marine Park in Nha Trang bay. It’s called Hon Mun because the south-east of the island has high cliffs forming caves, especially the jet black rocks look like ebony, rarely seen in other places. It is also one of the most romantic islands in the island system of Nha Trang.
Visitors are not only wallowed in the beauty of the blue beach on the fine white sand but also you’re free to explore a diverse ecosystem under the ocean - is one of the richest and most beautiful aquarium of the Southeast Asia Sea. Hon Mun is Vietnam's first and unique marine protected area; currently, it’s considered by the World Wildlife Fund (WWF) as the first marine biodiversity site in Vietnam. At the bottom of the sea, at a depth of 10 meters, is a place of coral reefs with a variety of colorful fish and types.
Most diving takes place around Hon Mun Island, which covers the islands surrounding the central coast town and is a huge draw for visitors. Hon Mun is the biggest area for diving in Nha Trang. It is available all year round; however, the best months to dive and make your reservation in Nha Trang hotels are between April and October