
Among the many beautiful beaches of Miyakojima, Aragusuku Beach (also known locally as “Shinjo Kaigan”) stands out as a true paradise beneath the waves. This beach is not just a scenic spot on the surface—it offers one of the island’s richest coral habitats, perfect for snorkeling and underwater exploration.

While it’s easily accessible by car and features convenient facilities like showers and food stalls, the real treasure of Aragusuku lies underwater.
🌊 A Vibrant Coral Forest Beneath the Crystal-Clear Sea
Just a short swim from the shore, you’ll find yourself gliding above a vast coral reef ecosystem. Protected by natural reefs, the waters here are calm and shallow, making it easy to explore the breathtaking underwater scenery even for beginners.
As you step into the sea, you’ll be greeted by colorful staghorn corals (Acropora)—delicate branching structures that shimmer in the sunlight. These coral colonies form an underwater forest that provides shelter for countless small fish.
Go a little farther out, and you’ll encounter:
- Massive boulder corals such as brain and star corals,
- Broad, umbrella-like table corals, and
- Layered, fan-shaped foliose corals that create a mesmerizing three-dimensional seascape.

🐟 A Living Aquarium: Home to Diverse Marine Life
The coral reefs of Aragusuku Beach are teeming with marine life, offering snorkelers the chance to observe a vibrant ecosystem up close. One of the main attractions is the clownfish, peeking out from their host anemones in an iconic display of symbiosis.
You can also spot:
- Sparkling blue damselfish,
- Graceful butterflyfish,
- Rainbow-colored wrasse, and
- Tiny gobies, nudibranchs, and even octopuses hiding among the coral.
If you’re lucky, you may even see a sea turtle gliding slowly through the reef or nibbling on seaweed. It’s like swimming in a natural aquarium—without walls or crowds.

🥽 A Perfect Spot for Beginner Snorkelers
Thanks to the shallow, calm waters and easy beach access, Aragusuku Beach is ideal for first-time snorkelers and families with children.
Snorkeling gear and life jackets are available for rent at beachside stalls. With a life vest, even non-swimmers can comfortably float and enjoy the view below.
The best time for snorkeling is during low tide to two hours after. The water is shallower, and the coral and fish feel even closer.
🌤️ When to Visit & Important Tips for Coral Protection
🕙 Best time of day:
- Between 10 AM and 2 PM, when the sunlight illuminates the reef and visibility is at its best.
✅ Responsible snorkeling:
- Coral is extremely fragile. Touching or stepping on it can cause permanent damage.
- If wearing fins, be mindful not to kick the coral accidentally.
- Choose reef-safe sunscreen to avoid polluting the marine environment.
- Take your trash with you and help keep the beach clean.
By respecting these guidelines, we can preserve this natural wonder for future generations.
📍 Access & Facilities
- Location: Aragusuku, Gusukube, Miyakojima City, Okinawa
- Parking: Free
- Facilities: Showers, toilets, rental gear, and food stalls available
- Nearby: Aragusuku Beach Stalls (snacks, snorkeling gear)
🌺 Experience the Miyako Blue Sea with All Your Senses
With vibrant coral reefs, colorful marine life, and impossibly clear waters, Aragusuku Beach offers an unforgettable snorkeling experience. Unlike busy tourist spots, this beach invites you to slow down, breathe in the sea air, and quietly connect with nature.
Whether you’re traveling solo, with friends, or as a family, this peaceful beach promises memories that will stay with you long after you leave the island.
If you’re planning a trip to Miyakojima, don’t miss the chance to explore the underwater coral forest of Aragusuku Beach. It’s a rare and accessible window into the dazzling world of the coral reef.
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