"Firefly tours? Fishing outings? Astronomy lessons? Look forward to all of that and more with okcs Retreat Iki Kairi's naturalist, Hisashi Okubo, who's been with the property for 25 years and knows the island like the back of his hand. Dubbed the 'Sanctuary of the Gods' by locals, the island appears in Japan's oldest history book as being the fifth island created in Japan." - Travel + Leisure Editors