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Mikurajima Island

Crystal clear waters, playful dolphins, and enormous trees

Journey to the island of Mikurajima to swim with dolphins and hike up the volcanic peak of Mt. Oyama. This tiny island is only 20 square kilometers with a population of less than 400 people. You'll find most of the island's attractions within the lush natural habitat, which are home to native plant species and wildlife. Book your trip through the Mikurajima Island Tourist Association to enjoy guided dolphin swims, nature hikes, and bungalow camping.


  • Snapping photos of nearby dolphins, or arrange for a guide to take you on a dolphin swim
  • Hiking up Mt. Oyama for panoramic views across the Izu Islands

How to Get There

Mikurajima can be accessed by boat or plane.

From Tokyo by boat: Ferries depart from the Takeshiba Passenger Ship Terminal, arriving to the island via Miyakejima Island and taking approximately seven hours and 25 minutes.
From Tokyo by plane: Flights depart from Haneda Airport and Chofu Airport via Oshima or Hachijojima Island. The entire trip to Mikurajima takes approximately one hour and 20 minutes.

Swimming with the dolphins

The most famous temporary residents are the dolphins who inhabit the surrounding waters between April and November. Make arrangements with the Mikurajima Island Tourist Association, who will provide a guide to take you out into the nearby waters via boat. Dive into the ocean to encounter groups of dolphins playfully frolicking around you. Alternatively, you are welcome to bring a floatation device into the water, or photograph the sleek creatures from the boat.

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 their circumferences of over five meters.