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Updated: February 13, 2023

Crystal clear waters, playful dolphins, and enormous trees

The island of Mikurajima is a small island is only 20 square kilometer. Indo-Pacific bottlenose dolphins inhabit waters surrounding the island, and can be observed from land or aboard a boat. You'll find most of the island's attractions within the lush natural habitat, which are home to native plant species and wildlife. In the center of the island, The second tallest mountain in the Izu Island chain, Mt. Oyama, stands at 851 meters. The whole island is designated as a national park, so swimming with the dolphins and hiking are only permitted under the supervision of a Tokyo Nature Guide. Note that biking and camping are prohibited.
The facilities on the island do not offer English support. Please become familiar with the basic phrases necessary for communication.


  • Swim with wild dolphins
  • Enjoy views of the island’s mountains rising from the sea

How to Get There

From Tokyo Takeshiba Pier: The large passenger ship departs at night, via Miyakejima Island, and arrives at Mikurajima the next morning. Travel time: about seven and a half hours.

Fly from Haneda Airport to Hachijojima or, from Chofu Airport to Miyakejima. From either destination, you can transfer via helicopter. Hachijojima to Mikurajima takes about 25 minutes, and Miyakejima to Mikurajima takes about 10 minutes.

Swimming with the dolphins

The most famous temporary residents are the Indo-Pacific bottlenose dolphins who inhabit the surrounding waters between April and November. Boats used for swimming with the dolphins are provided by either hotels or their affiliates. As you enjoy this natural wonder, please keep in mind that these waters are home to the dolphins that swim in them. The island is surrounded by sheer cliffs. Seeing this sight from aboard a boat itself is worth the trip.

Gracefully swimming dolphinsMikurajima Tourist Office
FerryMikurajima Tourist Office


Majestic trees and plants around Mt. Oyama

Walk to Ebine Park to encounter the wild Nioi-Ebine-ran—an indigenous species of orchid. Roam the mountain forests to find box, beech, and mulberry trees, as well as the giant chinquapin trees of Mikurajima, with circumferences of over five meters. You can also join a hiking tour with a guide to find out more about the nature of the island.

Ebine Park

Mikurajima Tourist Office



Beach & Pool




Reference Link

Nearby Attractions