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Kerama Islands
Photo: Wikimedia Commons
city · JP

Kerama Islands

Recommended stay: 1 day
Getting around: The Kerama Islands are reached from Naha by high-speed ferry (about 35-50 minutes depending on the specific island) or a slower regular ferry, and most visitors go as a day trip rather than staying overnight, since day tour packages including snorkeling or diving gear are widely available from Naha. On the islands themselves, walking or a small rental scooter/bicycle covers the compact villages and beaches.
Hours: Ferry schedules are limited to a handful of daily departures each way, so day-trippers need to plan around the return ferry time rather than assuming flexible departure; snorkeling and diving tour operators typically run morning and early-afternoon sessions to work within that ferry schedule.

The Kerama Islands are a small archipelago about 30-40 kilometers west of Okinawa's main island, protected as a national park and known for some of the clearest water in Japan — visibility that regularly exceeds 20-30 meters, drawing snorkelers and divers specifically for that clarity along with a resident population of sea turtles and, in winter, migrating humpback whales visible from boat tours.

The islands themselves (Zamami, Aka, and Tokashiki being the main ones) are quiet, sparsely developed, and small enough to explore on foot or bicycle in a day, which is how most visitors experience them, via a day trip from Naha built around snorkeling or a beach visit. Staying overnight is possible and gives a quieter, more relaxed experience of the islands' simple guesthouses and beaches once the day-trip crowds leave on the afternoon ferry, but isn't necessary to get the core experience.

Kerama Islands FAQs

Is the Kerama Islands trip better as a day trip or overnight stay?

A day trip from Naha is the standard and sufficient way to experience the snorkeling and beaches; an overnight stay offers a quieter experience once day-trippers leave but isn't necessary to get the core appeal.

How clear is the water really?

Genuinely exceptional by any standard — visibility regularly exceeds 20-30 meters, among the best in Japan, which is why the islands are protected as a national park and popular for snorkeling and diving.

Can I see whales near the Kerama Islands?

Yes, in winter (roughly January-March), humpback whales migrate through the area and dedicated whale-watching boat tours run from Naha and the islands during that season.

How do I get to the Kerama Islands from Naha?

By high-speed ferry, about 35-50 minutes depending on which island, with a handful of scheduled departures each day that day-trippers need to plan around.

Do I need to book a snorkeling tour in advance?

It's recommended, especially in peak summer season, since combined ferry-and-tour day packages from Naha are popular and can fill up.

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