Okinawa Jellyfish Sea|Glass Sea, Seven Shades of Blue, Remote Island Secrets, This Guide Helps You Understand It All at Once
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The sea in Okinawa is a shade of blue you won’t forget at first glance. Locals call it the "Seven-Colored Sea," shifting from light green to deep blue under the sun, like a spilled palette. If you want to see the Jellyfish Sea, this guide will help you figure out where to go on the main island, how to choose the remote islands, and how to enjoy it to the fullest.
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🌊 What is the Jellyfish Sea?
Water with extremely high transparency and colors as crystal-clear and jelly-like as gelatin. Okinawa’s seawater transparency can reach 20-30 meters, showing layered gradients of Tiffany blue, emerald green, and cobalt blue under sunlight, hence the name "Seven-Colored Sea."
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📍 Main Island Section: See the Jellyfish Sea Without Taking a Boat
1. Kouri Island (Heart-shaped Rock)
· Highlights: Connected to the main island by Kouri Bridge, you can drive onto the island; the water under the bridge is transparent Tiffany blue
· Activities: Beaches on both sides of the bridge for swimming and panoramic bridge photos; on the north side of the island is the "Heart-shaped Rock" (two rocks forming a heart), accessible for photos at low tide
· Time: Half a day
· Transportation: About 1.5 hours by car from Naha
2. Manza Beach
· Highlights: Elephant Trunk Rock + cliff meadow + emerald sea, iconic Okinawa scenery
· Activities: Walk the circular trail (about 20 minutes), photograph Elephant Trunk Rock and sea views, best at sunset
· Time: 1 hour
· Transportation: About 1 hour by car from Naha
3. Cape Zanpa
· Highlights: White lighthouse + blue sea + black reefs, fewer crowds than Manza Beach
· Activities: Climb the lighthouse for 360-degree sea views; reef beach below for photos
· Time: 1 hour
· Transportation: About 1 hour by car from Naha
4. American Village Sunset Beach
· Highlights: Artificial beach but beautiful sunsets, with the American Village Ferris wheel opposite
· Activities: Watch the sunset in the evening, photograph the Ferris wheel and sea, dine and shop in American Village at night
· Time: 1-2 hours
· Transportation: About 40 minutes by car from Naha
Main Island Summary: Suitable for those with limited time (3-4 days) or who don’t want to travel far. Kouri Island and Manza Beach are must-visits; the seawater is already stunning.
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🏝️ Remote Islands Section: The True Jellyfish Sea Secrets
The remote islands have even higher water transparency and fewer people but require a boat ride. It’s recommended to allocate 2-3 days.
1. Miyako Island (The Jellyfish Sea Pinnacle)
· Highlights: Recognized in Japan for the highest seawater transparency; "Maehama Beach" in front of the Tokyu Resort has been Japan’s best beach for years
· Must-visit:
· Maehama Beach: 7 km of white sand, jelly-like water, suitable for swimming, snorkeling, and paddleboarding
· Yonaha Maehama: Miyako Island’s signature photo spot, beach + blue sea + distant islets
· Ikema Bridge: Drive across the bridge with transparent water on both sides revealing coral reefs below
· Higashi Henna Cape: Lighthouse + cliffs + blue sea, stunning aerial views
· Transportation: Flight from Naha to Miyako Island (about 1 hour), or boat (about 6 hours, not recommended)
· Suitable for: Those who want to immerse themselves in the Jellyfish Sea and demand extremely clear water
· Time: Recommended 2-3 days
2. Kume Island (Hidden Gem)
· Highlights: More off-the-beaten-path than Miyako Island, unique "white sand + pine forest" landscape
· Must-visit:
· Hatenohama: Uninhabited sandbar, 20-minute boat ride, pure white sand and transparent water, like a fairyland
· Eef Beach: 2 km long shallow beach, walk far out at low tide
· Transportation: Flight from Naha to Kume Island (about 40 minutes), or boat (about 3 hours)
· Suitable for: Those wanting to avoid crowds and enjoy deserted sandbars
· Time: Recommended 2 days
3. Kerama Islands (Diving Paradise)
· Highlights: 50 minutes by boat from Naha, high water transparency, popular for snorkeling and diving
· Must-visit:
· Tokashiki Island: Most convenient, with "Aharen Beach," transparent water for snorkeling to see coral and fish
· Zamami Island: Quieter, with "Furuzamami Beach," where sea turtles often appear
· Transportation: Boat from Naha Tomari Port, high-speed ferry about 50 minutes, regular ferry about 2 hours
· Suitable for: Snorkeling/diving lovers, those with limited time wanting island experience
· Time: 1-2 days (day trips possible, but overnight stay more comfortable)
Remote Islands Summary:
· For the ultimate Jellyfish Sea: choose Miyako Island (3 days)
· For a hidden gem experience: choose Kume Island (2 days)
· For snorkeling and fish watching: choose Kerama Islands (1-2 days)
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🎿 How to Enjoy the Jellyfish Sea?
1. Snorkeling/Diving
· Okinawa’s seawater is highly transparent with abundant coral and tropical fish
· Kerama Islands are popular snorkeling spots; Miyako Island also has many dive sites
· Non-swimmers can try introductory diving (with instructor, about 1 hour, 5,000-10,000 yen)
2. Glass-bottom Boat
· Transparent boat bottoms let you see coral and fish without getting wet
· Suitable for elderly, children, or those who don’t want to get wet
· Available at many beaches, about 2,000 yen per person
3. Paddleboarding/Kayaking
· Paddle on the Jellyfish Sea, great for photos
· Maehama Beach on Miyako Island and Hatenohama on Kume Island are ideal
4. Relaxing on the Beach
· Find a beach, rent a sun umbrella, lie down and daydream by the sea
· Umbrella rentals available at Maehama Beach and Aharen Beach
5. Self-driving Around the Island to See the Sea
· Both Okinawa main island and Miyako Island are great for car rentals
· Stop to take photos at beautiful bays; the most beautiful seas are often off the beaten path
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📝 Practical Tips (Useful Version)
1. Visa
· Chinese citizens need a Japanese visa to visit Okinawa
· Visa exemption for cruise ship arrivals (if arriving by cruise to Naha, no prior visa needed)
· For independent travel, a 3-year multiple-entry visa is recommended (activated upon entry to Okinawa)
2. Best Season
· April to June: Good weather, fewer people, sea already blue
· July to August: Summer vacation crowds, typhoon season, but warmest sea water, good for swimming
· September to October: End of typhoon season, fewer people, sea still warm
· November to March: Whale watching (humpback whales) possible, but water too cold for swimming
3. Transportation
· Main island: Renting a car is most convenient (right-hand drive, drive on the left, bring international driver’s license or Japanese translation)
· Miyako Island/Kume Island: Rent cars or scooters on the island
· Kerama Islands: Boat from Naha, walk or rent bicycles on the islands
4. Gear Checklist
· Swimsuit, beach towel, slippers
· Snorkeling gear (available for rent on beaches, but bringing your own is more hygienic)
· High SPF sunscreen (Okinawa has strong UV, SPF 50+)
· Waterproof phone case/GoPro (for underwater photos)
· Cash (some shops on remote islands accept cash only)
5. Accommodation Suggestions
· Main island: Stay in Naha city (convenient for shopping) or near American Village (close to the sea)
· Miyako Island: Stay near Tokyu Resort or Maehama Beach
· Kume Island: Stay in island guesthouses or Eef Beach Hotel
6. Food Recommendations
· Okinawa soba (clear broth, tender pork belly)
· Sea grapes (texture like caviar, eaten with vinegar)
· Braised pork (Okinawa style, sweet, salty, and tender)
· Taco rice (Mexican flavor, Okinawa specialty)
· Awamori (Okinawa distilled liquor, great as a souvenir)
· Purple sweet potato tart (dessert made from purple sweet potatoes, top souvenir choice)
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Okinawa’s Jellyfish Sea is not a filter; it’s a real blue. Whether you want to snorkel and watch fish, paddleboard and take photos, or simply lie on the beach and daydream, this sea will give you the answer. If you have enough time, be sure to visit the remote islands—the main island’s sea is stunning, but the remote islands’ sea is breathtaking.