Beat the mainland Bali boats to Nusa Penida’s best snorkeling and dive sites when you join this local operator for an underwater adventure—with snorkeling or free-diving equipment included. Start at Manta Point, where you’ll most likely snorkel with manta rays, then explore the shallow coral gardens of Toyapakeh Wall or Gamat Bay. Finish with a leisurely drift along the coral-covered underwater slope known as SD Point.