Econova – Creating Future Experience

Econova – Ke Kai, located in Hawaii, is a brand-new ocean-themed hotel that exists in 2035 that seamlessly merges marine biodiversity with sustainable innovation and immersive guest experiences. At its center is an open aquarium, a living ecosystem shared between humans and sea creatures. Each room is connected to the aquarium by a transparent Eco-Flow Tunnel, which not only serves as a visual spectacle but also supports marine life by maintaining optimal water temperature and quality. Guests can observe and even interact with fish as they swim through these tunnels, turning every stay into a unique moment of discovery.

The hotel offers a variety of activities—from guided diving tours and interactive glass wall panels that display live marine data to “Guardian’s Call” tasks placed in each room, inviting guests to contribute to ecological care. Ke Kai also features sustainable dining options using local, ocean-friendly ingredients and a treasure-hunt-like knowledge system hidden throughout the hotel.

Like other Econova destinations worldwide, Ke Kai encourages mutual understanding between species, promotes conscious living, and embodies a shared vision: building a future where hospitality and the planet thrive together in harmony.

Eco Flow Tunnel in Guest Room

Hotel Blueprint

Hotel Blueprint

Marine creatures can enter and exit the aquarium through tunnels, while larger species access it from the bottom. Guests can observe the multi-species harmony inside the aquarium through glass walls along the corridor. They can also dive from the B1 level to personally enjoy intimate multi-species moments.

Branches of Econova Hotel

Guest Room & Corridor

Hotel Brochure

Model - A Corrner of Hotel