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Kerama Shotō National Park
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Kerama Shotō National Park is a remarkable feature of the geography and culture of Japan. A group of islands off the coast of Okinawa, renowned for their exceptionally clear waters known as 'Kerama Blue'. A prime location for snorkeling, diving, and whale watching. The waters have a visibility of 30-40 meters. Habitat for a wide variety of coral reefs and tropical fish. Humpback whales come to the area to breed and give birth from January to March. This protected area is part of Japan's rich wildlife and flora, from the subtropical forests of Kyushu to the snowy regions of Hokkaido. Like many notable places in Japan, it combines regional character with the legacy of the samurai tradition, Shinto and Buddhist heritage, and the modern industrial nation. Thus, this place contributes to the diverse profile of Japan, from Mount Fuji and Tokyo to the volcanic island arc along the Pacific.
- Location: Japan
- Top sights: Aran Observatory · AharenZaki Observatory · Aharen Observatory
- Nearby: Itoman (39 km)
Best time to visit & climate
The most pleasant time to visit is Jan, Feb, Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 19 | 19 | 20 | 22 | 25 | 27 | 29 | 29 | 28 | 26 | 24 | 21 |
| Rain mm | 61 | 50 | 81 | 124 | 209 | 293 | 125 | 175 | 186 | 126 | 83 | 67 |
📋 Practical info
Best season
The summer months from June to October are typically preferred for marine wildlife encounters due to warmer waters and excellent underwater visibility. However, humpback whales are generally present in these seas exclusively during their winter migration from January to March.
Best time of day
Marine life is often most active during the calm morning hours when the surface is still and sunlight penetrates deep into the coral reefs. Afternoon periods remain fantastic for snorkeling, though sea conditions can sometimes become slightly rougher as winds pick up.
Etiquette
Never touch, stand on, or anchor over the delicate coral reefs, and ensure you keep a respectful distance from sea turtles and other marine creatures. The use of environmentally safe, reef-friendly sunscreen is strongly advised to protect this incredibly fragile marine ecosystem.
What to bring
Essential equipment includes a reliable snorkeling mask, a well-fitted snorkel, and comfortable fins to easily navigate the currents. A protective rash guard or lightweight wetsuit will shield you from the strong sun and prevent inadvertent scrapes against underwater rocks.
Getting there
The islands are typically accessible by regular ferries or faster passenger boats departing directly from the main island of Okinawa. Once on the smaller islands, reaching the best marine sites usually involves booking certified local boat tours or taking short walks to accessible beaches.
What to expect
Sea turtles and spirited fish populations follow their own natural rhythms, requiring slow and silent observation rather than frantic swimming. Floating calmly near the coral formations vastly increases your chances of encountering cautious marine species that would otherwise hide.
Geography
Facts
- A group of islands off the coast of Okinawa, renowned for their exceptionally clear waters known as 'Kerama Blue'. A prime location for snorkeling, diving, and whale watching.
- Located within the island nation of Japan in the North Pacific.
- Plays a role in the local identity of the region.
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Notable places around
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Sights in the town Kerama Shotō National Park (8)
Sights nearby
Frequently asked questions
Can I go snorkeling there?
Yes, the islands are world-famous for their crystal-clear water and coral reefs.
When is whale watching season?
Humpback whales can be observed in the waters from January to March.
How do I get there from Naha?
There are regular high-speed boats and ferries from Tomari Port in Naha.
What does 'Kerama Blue' mean?
It describes the unique, deep blue hue of the sea around the islands.
Are there hotels on the islands?
There are guesthouses (Minshuku) and small hotels, mainly on Tokashiki and Zamami.
Kerama Shotō National Park: where is it located?
Kerama Shotō National Park is located in Japan.
Kerama Shotō National Park: what is there to see?
Highlights include Aran Observatory, AharenZaki Observatory, Aharen Observatory.
Kerama Shotō National Park: when is the best time to visit?
The most pleasant time to visit is Jan, Feb, Dec.
Kerama Shotō National Park: why is it worth visiting?
Kerama Shotō National Park is a remarkable feature of the geography and culture of Japan.
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