Kerama Islands

Beach
Prefecture
Okinawa
Type
Beach
N/A
0 reviews
Restaurant Cafe

2026 swimming season

April 18 – late autumn 2026 (Zamami)

Beach opening dates change every year. Confirm before you travel.

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About This Destination

A national park archipelago with some of Japan's clearest ocean water, excellent snorkeling, and whale watching.
The Kerama Islands are a group of about 20 islands located 40 kilometers west of Naha, designated as Keramashoto National Park in 2014. The islands are renowned for their exceptional water clarity, often called Kerama Blue, with visibility reaching 50 meters or more. Zamami and Tokashiki are the two largest inhabited islands, offering pristine white sand beaches, excellent snorkeling and diving among coral reefs and sea turtles, and winter whale watching from January through March when humpback whales visit the warm waters. Access is by ferry from Tomari Port in Naha, with high-speed boats taking about 50 minutes and regular ferries about two hours to Zamami. The islands maintain a relaxed, unspoiled atmosphere far removed from the busier main island beaches.

Location

Prefecture: Okinawa

Address: Zamami, Okinawa, Japan

Nearest Station: Tomari Port (Naha)

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Visitor Information

Credit Cards: Unknown

Food Options: Small island restaurants serve fresh fish, Okinawan dishes, and simple Japanese meals. Zamami has a handful of cafes and izakaya. Bring supplies for beach picnics.

Official Website

Access

Okinawa, Japan

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Frequently Asked Questions

Which island should I pick: Zamami, Tokashiki, or Aka?

Three main inhabited islands, each with a different vibe. **Zamami** (~600 residents): the most photogenic single beach (Furuzamami: turtles, fish from the shore, easy entry), walkable port village with cafes and minshuku, the most accessible 'feels remote but isn't' choice; pick this if you've got 1 to 2 days. **Tokashiki** (~700 residents, largest island): Aharen Beach is more developed with rental shops and seasonal lifeguards, better for families; longer ferry-to-beach transfer (15-min bus). **Aka** (~280 residents): quietest, only accessible via Zamami's inter-island ferry (10 min), Nishihama Beach is least crowded; bring everything you need (one konbini-style shop, limited dining). **Suggested**: first-timers pick **Zamami** + day-trip the inter-island ferry to **Aka** if you have a second day. Tokashiki is the call only if Zamami's accommodation sold out (likely in summer).

When do whales come, and is snorkeling worth it year-round?

**Humpback whales** migrate to Kerama waters **late December through early April**, with the highest sighting probability **mid-January through mid-March** (peak Feb). Whale-watching tours run from both Naha (¥6,500 to 8,000) and the islands directly (¥5,500 to 6,500, ~2.5 to 3 hours, smaller boats with closer encounters). Sightings are weather-dependent and not guaranteed. **Snorkeling year-round, but**: water is warmest June to September (28 to 30 °C, no wetsuit needed); cooler Nov to May (22 to 25 °C, wetsuit helpful but rentals available everywhere). Sea turtles at Furuzamami Beach are present year-round but easiest to spot in calm summer mornings. **Coral health**: Kerama survived the 2016 mass bleaching better than many Okinawan reefs and remains some of Japan's healthiest; still, reef-safe sunscreen is requested. **Diving** (PADI shops on Zamami and Tokashiki): try dives ¥12,000, certified dives ¥9,000/2-tank. The famous boat-only sites are at the unhabited outer islets, so book at least 1 week ahead in summer.

Day-trip from Naha or stay overnight, and what should I bring?

**Day-trip is workable**: the first Queen Zamami high-speed ferry from Naha's Tomari Port departs ~9:00 (50 to 70 min, ¥3,200 one-way), last return ~16:00, giving ~6 hours on island. Tight but doable for one beach + lunch. **Overnight is dramatically better**: sunset on Furuzamami Beach with no day-trippers, stars without light pollution, and time for the inter-island ferry to Aka. Zamami minshuku ¥7,000 to 12,000/person with dinner + breakfast; ~30 listed on stayokinawa.com, so book 2+ weeks ahead summer, 1+ month ahead Marine Day weekend. **Ferry tickets**: high-speed Queen Zamami sells out 1 to 2 weeks ahead in summer (book at vill.zamami.okinawa.jp or by phone); the slower regular ferry (~2 h, ¥2,150) has more availability. Both run weather-dependent, with winter cancellations common, so build a buffer day. **Bring**: cash (ATMs limited, JP Post Bank ATM on Zamami works for foreign cards), reef-safe sunscreen, snorkel gear if you have it (rentals ¥1,000/day), light long sleeves for the sun, refillable water bottle. Two konbini-equivalent shops on Zamami, fewer on Aka.

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