
Okinawa, Okinawa · Year-round
Okinawa Churaumi Aquarium: marketed as the closest hotel; about a 5-minute walk (Visit Okinawa / official). Steps from Ocean Expo Park and Emerald Beach—classic Motobu family base for whale sharks.
✓Indoor option
Indoor / all-weather facilities noted for this stay.
✓Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
✓Outdoor spaces
Outdoor areas listed — check season and weather.

Okinawa, Okinawa · Year-round
Okinawa Churaumi Aquarium: approximately 7 minutes’ walk; hotel adjacent to Ocean Expo Park (official access page). Ocean-view family rooms, kids pool/playroom, and Emerald Beach nearby.
✓Indoor option
Indoor / all-weather facilities noted for this stay.
✓Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
✓Outdoor spaces
Outdoor areas listed — check season and weather.

Okinawa, Okinawa · Year-round
Okinawa Churaumi Aquarium: Motobu resort marketed as near the aquarium / Ocean Expo Park (official). Family Japanese-Western rooms; plans with Churaumi tickets often sold via OTAs.
✓Indoor option
Indoor / all-weather facilities noted for this stay.
✓Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
✓Outdoor spaces
Outdoor areas listed — check season and weather.

Kanto, Kanagawa · Year-round
Yokohama Hakkeijima Sea Paradise aquariums: only hotel on the island, adjacent to Fureai Lagoon (official). Family rooms with four beds; guests may hear dolphins/sea lions and get morning lagoon viewing perks.
✓Indoor option
Indoor / all-weather facilities noted for this stay.
✓Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
✓Outdoor spaces
Outdoor areas listed — check season and weather.