This 7-hour Napali Coastline + Niihau boat tour is the only real method to snorkel at Hawaii's 'Forbidden Island' of Niihau and sightsee together the Napali Coast of Kauai. For essentially the most adventurous and encompassing Kauai boat tour provided, appear no more as opposed to Niihau & Napali Tremendous Tour. Sign up for us aboard Holoholo,