Hahajima Island Guide: Whales, Coral and Sunsets

Oki Port on Hahajima, seen from a hillsidePhoto: Yasu / CC BY-SA 3.0, via Wikimedia Commons Areas
Photo: Yasu / CC BY-SA 3.0, via Wikimedia Commons

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Researched guide · Checked on Oct 19, 2026

Hahajima, over 1,000 kilometers south of central Tokyo, is one of only two inhabited islands in the Ogasawara Islands. It has coral reefs for snorkeling, dolphins year-round, humpback whales from winter to spring and the highest peak in the archipelago, and makes a day trip or short stay from Chichijima.

Quick answer

Getting there: Hahajima-maru ferry from Chichijima (about 2 hours)

Time needed: A day trip or a short stay

Best time: February to April for whale watching; year-round subtropical climate

Good for: Snorkeling, whales and dolphins, hiking, sunsets

Plan Your Visit to Hahajima Island

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Overview

Getting thereHahajima-maru ferry from Chichijima (about 2 hours)
Time neededA day trip or a short stay
Best timeFebruary to April for whale watching; year-round subtropical climate
Good forSnorkeling, whales and dolphins, hiking, sunsets

Best Things to Do

Green hills around the small port village of Hahajima, with an island offshore
The village and port of Hahajima seen from the hills. Photo: しんかわな / CC BY-SA 3.0, via Wikimedia Commons

Mt. Chibusayama

The highest point in the Ogasawara Islands. The trek to the top takes about four hours and rewards you with views over the whole island.

Samegasaki Observation Deck

In the gardens at Oki Port, with panoramic sea views, ocean sunsets all year and whale watching in winter.

Minamizaki Beach

Clear blue water near Mt. Kofuji at the south end, excellent for snorkeling over coral.

Whales and dolphins

Dolphins can be seen all year. Humpback whales come to breed from December to May, and February to April, with calmer seas, is the best whale-watching season.

Sekimon forest

Home to many of Hahajima’s unique plants and animals. Visits to Sekimon and Mt. Sakaigatake need a certified guide, and guided tours are in Japanese only.

Food & Drink

  • A handful of restaurants serving fresh local seafood.

Shopping

  • Shops are limited; ask your inn what is available.

Where to Stay

Hahajima has a few inns and guesthouses; many visitors stay on Chichijima and come for the day. Book accommodation before you sail from Tokyo: see Chichijima.

Search hotels in Hahajima Island

Getting There

  • From Chichijima: the Hahajima-maru ferry takes about 2 hours, usually leaving Chichijima in the morning and returning in the afternoon. Tickets cannot be reserved and go on sale about one hour before departure.
  • There is no public transport on the island; walk, take a taxi, or rent a motorbike, car or bicycle.
  • Chichijima is reached by the 24-hour Ogasawara-maru ferry from Tokyo.

New to Tokyo trains? See Trains in Tokyo and How to use Suica.

Suggested Itinerary

  1. MorningHahajima-maru from Chichijima
  2. Rental bike or car
  3. Late morningMinamizaki Beach snorkeling
  4. AfternoonSamegasaki Observation Deck
  5. Ferry back to Chichijima

Travel Tips

  • Buy your Hahajima-maru ticket at the port about an hour before departure.
  • Check the Hahajima Tourist Association website for clothing advice for the season.
  • Bring some cash, as small shops and inns may not accept cards.
  • Book accommodation first, then transport, especially in summer and holidays.

Comparing islands? See all eleven side by side in Tokyo’s islands compared.

FAQ

How do I get to Hahajima?

Take the Hahajima-maru ferry from Chichijima, about 2 hours. Chichijima is 24 hours from Tokyo by the Ogasawara-maru.

When is whale watching season in Ogasawara?

Humpback whales are around from December to May, with February to April the best time.

Are the Ogasawara Islands a World Heritage Site?

Yes, they are one of Japan’s World Natural Heritage sites.

Travel Essentials

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Sources

Information comes from the official sources below (checked October 19, 2026). Hours and prices change, so please check before you go.