If you’re looking for an ultimate luxury relaxation experience, you should book a ride on the Guntu. it’s floating in the Seto Inland Sea and just reading their website for the descriptions of how “life moves slowly on board, enveloped in the refreshing fragrance and gentle warmth of wood.” There are a lot of the same amenities you’d find on a big ship but in a reasonable way instead of a disgusting gluttony. The ship’s design is a simplistic Japanese style that is so tastefully relaxing. There’s a lounge, bathhouse area, spa treatment room, and restaurant, but you might have a hard time getting out of your room considering the views you’ll see through all that glass. There are no posted rates, so you can expect it to be expensive but worth it.