Japan > Okinawa
1 Dive Sites / 0 Resorts / 0 Shops
Onna, nestled within Okinawa, Japan, offers a captivating glimpse into the underwater world, despite currently featuring 1 dive site, 0 dive resorts, and 0 dive shops within its immediate vicinity and nested locations. The diving here is characterized by stunning natural formations and vibrant marine life, promising memorable experiences for divers.
The star attraction in Onna is undoubtedly Cape Maeda (Blue Cave). This limestone headland, sloping into a semi-submerged sea cave, is a truly unique spectacle. The interior of the cave glows an electric blue, a mesmerizing effect created by reflected sunlight. It's no wonder that Cape Maeda is Okinawa’s most-visited dive and snorkel site, drawing enthusiasts from all over. The cave itself offers an unforgettable experience, with its ethereal lighting and intriguing rock formations.
Beyond the breathtaking scenery, divers at Cape Maeda (Blue Cave) can anticipate encounters with a diverse array of marine species. Keep an eye out for the fascinating Broadclub Cuttlefish, known for its intricate color changes and intelligent behavior. You might also be lucky enough to spot the majestic Green Sea Turtle gracefully gliding through the waters, a truly iconic resident of these reefs.
While Onna may currently have a focused selection of diving infrastructure, the quality of its single featured dive site speaks volumes. The unique geological features and the rich biodiversity make it a compelling destination for anyone seeking an immersive underwater adventure in Okinawa. The natural beauty of Cape Maeda (Blue Cave) alone makes Onna a must-visit for divers exploring the region, offering a distinct and unforgettable experience with its signature blue glow and resident marine life.
Scroll horizontally to compare all dive sites.
| Cape Maeda (Blue Cave) Onna | |
|---|---|
| Level | Beginner |
| Max depth | 20 m |
| Access | Access not yet documented |
| Documented months | May – Oct |
| Highlights | cavernShoreReefstrong_currentsurgeboat_traffic |
1 photo from dive sites
BeginnerJapan > Okinawa > Onna
Cape Maeda (Blue Cave), Onna Cape Maeda, home to the world-renowned Blue Cave, stands as Okinawa’s most celebrated dive and snorkel site. This captivating dive site is famous for its unique natural phenomenon where sunlight penetrates an underwater opening, reflecting off the white limestone walls to illuminate the cavern with an ethereal, electric blue glow. Divers will find themselves immersed…
Onna has 1 dive site listed on Diveity, spread across a single area within the location.
Conditions vary by season and by site, so there's no single answer for the whole location. Check each dive site's page for depth, visibility, and current details, or ask a local dive shop or resort in Onna for current-season advice.
Sites in Onna range from shallow reefs and shore entries to walls, wrecks, and drift dives, depending on the specific location. Browse the site list to compare depth, visibility, and marine life before you pick where to dive.
Most dive sites call for at least an Open Water certification, and some deeper or more advanced sites require further training. Dive shops and resorts in Onna can also arrange courses if you are not yet certified.
Plan your next diving adventure. Browse dive sites, find the perfect resort, and connect with local dive operators.
Onna is a diving area with 1 dive site to explore.
You'll find no dive resorts and no dive shops serving the area.
Plan your trip with verified dive sites, resorts, and shops on Diveity.
1
Dive Sites
0
Dive Resorts
0
Dive Shops
Asia/Tokyo
Timezone