Izu Oceanic Park
水深はサイト上部から通常の最大深度までの範囲を示し、「推奨認定レベル」はオペレーターが一般的に求めるメインストリーム機関の資格レベルであり、法的な義務ではありません。流れと透明度は日々変化します——ここに掲載されている情報はすべて計画の目安としてご利用ください。
IOP is Japanese dive culture in one address: one of the country's first organized dive parks, with a famous walk-in entry over lava rock onto a boulder reef that keeps giving as it descends. Clark's anemonefish colonies mark the shallows, soft corals and gorgonians take over along the ridges, and seasonal Kuroshio pulses deliver tropical juveniles that photographers chase until winter thins them out. The site rewards multiple dives in different directions, and the post-dive hot bath is as institutional as the entry steps. When swell shuts the gate, everyone nods and drives to the west coast; the Pacific sets the schedule here.
その瞬間のために: Classic organized shore entry, anemonefish colonies, seasonal tropical drifters on temperate rock
地形: Volcanic boulder reef and rock ridges dropping toward sand
流れ（カレント）: Open Pacific exposure means surge and swell decide the day more than current.
エントリー: A purpose-built entry over volcanic rock on the Jogasaki coast; staff close the gate when swell makes the step dangerous, and their call is final.
エントリー前に知っておこう
危険生物・リスク: Swell over the entry step is the serious one; respect closures and time exits between sets.
出会える生物
Bigfin Reef Squid
Clownfish & Anemonefish
Frogfish
Nudibranchs
水中フォトグラファー向け
ワイドアングル: ★★★☆☆ · マクロ: ★★★★★ — 各撮影スタイルに対するこのサイトの評価（編集部による1〜5点）