Opposite Post Office (Kantor Pos). Manta Rhei is a family-run dive centre offering fun and safe day trips, PADI courses and Liveaboard to Komodo National Park. Come join us on our comfortable wooden boat and enjoy fresh, homemade lunches every day. Our professional guides and well-maintained Scubapro Dive equipment will ensure you will have an unforgettable trip diving and snorkelling the world-class sites of Komodo.