Milestones in order. This is history, not a weekly activity grid.
- Ryukyu navigation
- Reversion to Japan
- Main-island shops
- Ishigaki manta boats
- Miyako shore caves
- Kerama National Park
- Blue Cave crowds
- Park and cooperative rules
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Quick answers
Which local rescue or training agency should I check first?
Use the local lens: coastguard/federation norms and the shop briefing for that bay — not a blog visibility claim.
Kerama?
A national park (2014) west of Naha, known for clear water, turtles, and boat snorkel/scuba. Zamami is a common gateway island.
Ishigaki manta?
Boat sites such as Manta Scramble / Kabira-area points where manta rays are seen in season. Distance rules apply. Not a first Maeda day.
Yonehara?
A beach and reef on Ishigaki used for snorkelling when conditions allow, a sand-entry contrast to a manta boat.
Miyako / Irabu?
Limestone islands with shore and boat sites, including well-known caves and drops. A different map from Naha.
Yonaguni?
Japan's westernmost inhabited island, famous for a submerged rock formation and strong current. Advanced, remote, optional. This page is not a monument theory essay.
Ryukyu seafaring and fishing are older than tourism. As a visitor destination postwar Okinawa added mainland Japanese shop culture, a Cape Maeda cave that became a queue, a 2014 Kerama national park, and an Ishigaki manta product.
The history is a cooperative reef wearing a park badge.
Timeline
- Ryukyu navigation
A chain as a sea, not a prefecture.
- Reversion to Japan
The modern tourism geography accelerates.
- Main-island shops
Maeda and Onna as classroom coasts.
- Ishigaki manta boats
A Yaeyama product.
- Miyako shore caves
A limestone second map.
- Kerama National Park
A park west of Naha.
- Blue Cave crowds
Stairs, rental masks, a queue.
- Park and cooperative rules
Distance, moorings, heat talk.
Eras
- Ryukyu — Work — Reefs as food and law.
- 1972-2000 — Shop coasts — Maeda, Onna, Kerama boats.
- 2000-2014 — Yaeyama and Miyako — Mantas and limestone.
- 2014-now — Park paper — Kerama NP, queues, codes.
Milestones
- Cape Maeda as a mass cave — A shore product with a crowd.
- Kerama NP 2014 — A park as a boat map.
- Ishigaki manta boats — A Yaeyama economy.
- Cooperative briefs — The older local law.
Okinawa as a destination is a 2014 park wearing a cave queue. The Ryukyu chain is older than both.