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Mount Prometheus is one of the park icons for Tokyo DisneySea and serves as the primary location of Mysterious Island as well as the main backdrop for Mediterranean Harbor.

Development[]

Mount Prometheus and Mysterious Island were part of the earliest designs for DisneySea when it was to have been built in Long Beach, California as part of Port Disney. When the Oriental Land Company took interest in the concept, Mount Prometheus was promoted to the park's main icon and placed in a central area of the park, connecting the entry area of Mediterranean Harbor to Mysterious Island. Though it primarily plays the role of Vulcania, the Fortress Explorations attraction in Mediterranean Harbor built into the mountainside features a "volcanic activity monitoring station".

Standing 189 feet tall and featuring over 750,000 square feet of rockwork, Mount Prometheus represents one of the largest rockwork projects that Imagineering ever embarked on. The mountain stands the same height as Cinderella Castle to put both park icons on equal footing. To simulate fiery eruptions, ten rocket boosters weighing 3000 pounds each are installed into the mountain, capable of shooting flames up to fifty feet into the air. These eruptions take place regularly throughout the day and are also used in nighttime spectaculars such as BraviSEAmo! and Fantasmic. For the bubbling fumaroles within Mysterious Island's caldera, submerged water cannons power the eruptions and steamy effects.


v - e - d
Mediterranean Harbor
Fortress ExplorationsDisneySea Transit Steamer LineVenetian GondolasSoaring: Fantastic Flight
Mysterious Island
Journey to the Center of the Earth20,000 Leagues Under the Sea
Mermaid Lagoon
Blowfish Balloon RaceFlounder's Flying Fish CoasterJumpin' JellyfishKing Triton's ConcertScuttle's ScootersThe WhirlpoolAriel's Playground
Arabian Coast
Caravan CarouselJasmine's Flying CarpetsSindbad's Storybook VoyageThe Magic Lamp TheaterAbu's Bazaar
Lost River Delta
Indiana Jones Adventure: Temple of the Crystal SkullDreams Take Flight (Opening July 2025) • Raging Spirits • Saludos Amigos Greeting Dock • Mickey & Friends' Greeting Trails
Port Discovery
AquatopiaDisneySea Electric RailwayNemo & Friends SeaRider
American Waterfront
Toy Story ManiaTower of TerrorDisneySea Electric RailwayTurtle TalkS.S. ColumbiaBig City VehiclesBig Band Beat: A Special TreatDisneySea Transit Steamer LineMy Friend DuffyCarnival Corral
Fantasy Springs
Anna and Elsa's Frozen JourneyPeter Pan's Never Land AdventureFairy Tinker Bell's Busy BuggiesRapunzel's Lantern Festival
Current Entertainment
Believe! Sea of Dreams
Former Attractions and Entertainment
The Leonardo's Challenge • Ariel's Greeting Grotto • Sinbad's Seven Voyage • Mystic RhythmsOut of ShadowlandSong of Mirage • DisneySea Symphony • BraviSEAmo!Fantasmic!StormRiderA Table is WaitingHello, New York!

Seasonal: The Villains World

Resorts
Tokyo DisneySea Hotel MiraCosta