Mangrove dive site is one of the great dive sites in Bali. It is a vast coral plateau situated on the North coast of Nusa Lembongan.  It takes its name from the large mangrove area located at the eastern part of Lembongan, close to Nusa Ceningan Strait.
Know more : https://nusapenida.org/bali-nusa-penida-diving-guide/20-best-dive-sites-bali-nusa-penida/diving-mangrove-nusa-lembongan/