Overview
Zamami Island (座間味島) is part of the Kerama Islands, a cluster of small islands roughly 40 kilometers west of Naha, the Okinawan prefectural capital. Administratively it belongs to Zamami Village, Shimajiri District, Okinawa Prefecture. The island covers a modest land area and its permanent population numbers in the hundreds, making it genuinely quiet compared to the busier resort areas of the Okinawan main island.
The surrounding waters fall within Keramashoto National Park, established in 2014. The marine environment here is considered among the healthiest in Japan: high coral cover, exceptional water clarity, and a diversity of marine life including loggerhead and green sea turtles. The phrase 'Kerama Blue' is used locally and in Japanese travel contexts to describe the distinctive deep, vivid blue of the surrounding sea — though travelers should experience it firsthand rather than rely on any description.
Zamami's village center is compact and walkable. Facilities are limited by design — accommodation, a handful of restaurants, a small supermarket, and dive shops cover most practical needs. This simplicity is a significant part of the island's appeal for visitors who want to step away from developed resort infrastructure.
Before You Go
Visas
Visa requirements for Japan depend on your nationality and purpose of travel. Do not rely on this guide for specific rules. Check TravelerPulse's Visas section and the official Japanese Ministry of Foreign Affairs website for current entry requirements before booking.
When to Go
The main beach and diving season runs roughly April through October, when sea temperatures are warm enough for comfortable snorkeling and diving. July and August are the busiest months and accommodation books out well in advance. Typhoon season overlaps with summer — typically June through October — and storms can disrupt ferry services at short notice. March and late September to early October often offer a good balance of reasonable weather and thinner crowds.
Winter months (November through February) are quiet. The sea is too cool for most visitors, some businesses reduce hours or close, and ferry frequency may drop. Travelers seeking solitude and low prices may still find this worthwhile, but verify what will be open before you travel.
What to Pack
- Sun protection: reef-safe sunscreen, rash guard, and a hat — UV intensity in this latitude is high
- Water shoes or reef sandals for rocky beach entries
- Cash: card acceptance on the island is limited; bring sufficient yen from Naha
- Any prescription medications you need, as pharmacy options on the island are very limited
- Snorkeling mask if you have a preferred fit, though rental equipment is available locally
Getting There
From Naha
The primary access route is by high-speed ferry from Tomari Port in Naha. Fast ferries (high-speed vessels) cover the journey in approximately 50–70 minutes depending on the specific service. A slower conventional ferry also operates and takes longer but may be cheaper; it can also carry vehicles. Schedules and fares are set by the operating ferry companies and change seasonally — verify current timetables and book in advance during peak season directly with the ferry operators or at the port.
Reaching Naha First
Naha is served by Naha Airport (OKA), which has domestic connections across Japan and a number of international routes. From the airport, Tomari Port is reachable by taxi or by monorail to a central stop followed by a short taxi or bus ride. Allow sufficient time between your flight arrival and ferry departure, particularly on days with heavy tourist traffic.
Important Note on Typhoons
If a typhoon is approaching, ferry services will be suspended for safety. Always check weather forecasts and have a flexible itinerary when traveling in summer and early autumn. Travel insurance that covers trip disruption is advisable.
Getting Around
Zamami village and its main beach, Zamami Beach, are close enough to walk between for most visitors. The island also has a few other beaches — Ama Beach and Furuzamami Beach are among the most visited — and roads connecting them.
Rental bicycles, scooters, and small vehicles are available in the village and are the practical way to reach beaches further from the ferry terminal. Availability is limited; reserve early in peak season. Confirm current rental options and rates locally or with your accommodation when booking.
There is no train or bus network. The island is small enough that with a bicycle or scooter, you can explore the main points of interest in a day. Walking between beaches along the road is possible but can be warm and hilly.
Where to Stay
Accommodation on Zamami is small-scale. Options include minshuku (family-run Japanese guesthouses), simple dive-oriented lodges, and a limited number of guesthouses that cater to snorkelers and leisure travelers. There are no large resort hotels on the island.
Most minshuku offer meals — breakfast and dinner — as part of their rates, which is practical given the limited number of standalone restaurants. Confirm meal arrangements when booking. English communication support varies by property; having a few basic Japanese phrases or a translation app is useful.
Booking well ahead — at least several months in advance for July and August — is essential. Many properties fill entirely during peak season. Off-season, some accommodations close or operate on reduced schedules, so verify availability before finalizing travel dates.
Things to See & Do
Snorkeling and Diving
This is the central activity for most visitors. The reefs around Zamami and the nearby uninhabited Kerama islands contain diverse coral and marine life. Sea turtles are a regular sighting, particularly around certain reef areas — local dive shops can guide you to the most reliable spots. Multiple dive shops operate on the island offering guided dives, fun dives for certified divers, and introductory dives for beginners. Verify certifications required, equipment included, and current pricing directly with operators.
Beaches
Zamami Beach is convenient to the village. Furuzamami Beach, a short ride or walk away, is frequently cited as one of the most scenic on the island. Ama Beach on the neighboring island of Aka (reachable by a short local ferry) is another option worth considering. Beach facilities vary — verify what's available seasonally.
Whale Watching
Humpback whales migrate through the Kerama area between roughly January and March. Whale-watching boat tours operate during this season from Zamami. This is a notable reason to consider a winter visit despite the quiet island atmosphere. Verify tour operators and schedules locally or in advance.
Kayaking and Paddleboarding
Several operators offer kayak and stand-up paddleboard rentals and guided tours, allowing access to coves and smaller islets nearby. Conditions permitting, this is a rewarding way to explore the coastline at a slow pace.
Hiking
The island has a few walking trails and elevated viewpoints offering panoramic views over the Kerama islands and sea. The terrain is hilly; wear appropriate footwear and carry water.
Food & Drink
The restaurant selection on Zamami is small. A handful of establishments in the village serve Okinawan staples alongside more general Japanese dishes. Expect dishes such as champuru (stir-fry combining vegetables, tofu, or bitter melon), soki soba (Okinawan noodle soup with braised pork ribs), and fresh seafood. Don't expect a wide range of international cuisine options.
As noted under accommodation, many guesthouses include meals. Taking half board at your minshuku simplifies logistics considerably and often means access to home-cooked Okinawan food that restaurants may not always offer.
There is a small supermarket in the village where you can buy drinks, snacks, and basic groceries. Stock up on water and snacks before heading to beaches, as facilities at some beaches are minimal or seasonal. Awamori, the Okinawan distilled spirit made from rice, is available locally and is a straightforward way to engage with local drinking culture if that interests you.
Practical Information
Money
Bring sufficient cash in Japanese yen from Naha. ATM access on the island is very limited; do not assume you can withdraw money easily once you arrive. Convenience store ATMs in Naha (7-Eleven, Japan Post) accept many international cards — use these before boarding the ferry.
Connectivity
Mobile data coverage exists on the island but may be patchy compared to urban Japan. Download offline maps (such as Google Maps or Maps.me for the area) and any ferry schedules before leaving Naha. Wi-Fi at accommodations is common but speeds vary.
Medical and Emergency Services
Medical facilities on Zamami are extremely limited. For anything beyond minor first aid, evacuation to Naha would be necessary. Bring adequate personal medications and a basic first aid kit. Travel insurance with medical evacuation coverage is strongly recommended.
Language
English is not widely spoken outside a few tourism-oriented businesses. A translation app, a phrasebook, or basic conversational Japanese will help considerably in restaurants, guesthouses, and shops.
Emergency Numbers
- Police: 110
- Fire and Ambulance: 119
Verify any local emergency contacts with your accommodation upon arrival.
Safety
Zamami is a low-crime, safe destination in the conventional sense. The primary safety considerations are environmental and related to water activities.
Ocean currents around the Kerama islands can be strong and unpredictable, particularly around reef edges and channels between islands. Always consult local dive or snorkel operators about current conditions before entering the water, and do not swim alone in remote areas. Even experienced swimmers should treat the ocean conditions with respect.
The sun is intense, particularly from May through September. Heatstroke and sunburn are genuine risks; use sun protection consistently and stay hydrated. If you are cycling or hiking, carry water.
Typhoons, as noted, can move through the region with limited warning time. Monitor forecasts during typhoon season and follow guidance from local authorities and ferry operators without exception.
Local Culture & Etiquette
Zamami is a small, close-knit community where tourism is significant to the local economy but the population remains small year-round. Treating residents with consideration — keeping noise down in residential areas, not littering on beaches, and being mindful of private property — is appreciated and appropriate.
The marine environment is a protected national park. Touching or standing on coral is damaging and prohibited. Use reef-safe sunscreen where possible, and follow any guidelines posted by dive operators or park authorities. Feeding marine animals, including the sea turtles, disrupts their behavior and is discouraged by conservation bodies.
Okinawan culture has its own distinct traditions, language elements, and food culture that differ meaningfully from mainland Japanese culture. Showing genuine curiosity about Ryukyuan history and Okinawan identity — rather than treating the island purely as a beach resort backdrop — is a respectful approach.