
Tour mystical sea caves by sightseeing boat, starting with the Sky Window Cave
About this spot
A sightseeing cruise exploring the mystical sea caves carved by wave erosion along the Dogo Island coastline. As the boat enters the cave, you'll encounter a magical scene where light streams through the Sky Window Cave, a natural opening in the ceiling. The emerald-green waters and countless oddly-shaped rock formations help explain why Dogo Island is called the "Matsushima of Izu." It's an accessible and enjoyable experience suitable for even young children.
Fireworks details
Name: 堂ヶ島火祭り
Date & time: 7/24 (Fri) 20:25–21:00
Venue: 賀茂郡西伊豆町仁科・堂ヶ島公園
Shells: approx. 3,000
2026年7月24日(金)、西伊豆町仁科の堂ヶ島公園を会場に行われる堂ヶ島火祭りです。約3,000発の花火が20時25分から21時まで堂ヶ島の海上に次々と打ち上がり、日中に見た奇岩や島々のシルエットを夜空の花火が照らし出します。「伊豆の松島」とも呼ばれる美しい景観の中で見上げる花火は、西伊豆ならではの特別なスケール感です。海食洞めぐりや絶景をめぐった1日の締めくくりにふさわしい、夏の西伊豆を代表する花火大会です。
Tips
荒天時の開催可否は主催者の公式発表で確認しましょう。終了後は駐車場や道路が大変混み合うため、少し余韻を楽しんでからの移動がおすすめです。砂浜は足元が暗いのでスマホのライトで安全に。
Tips
The boarding point is just a short walk from Dogo Island Park. Operations may be suspended due to weather or wave conditions, so check the schedule in advance. Summer vacation periods get crowded, so early boarding is recommended.
Best time to visit
Approximately 1 hour required. Early afternoon offers the best light streaming through the caves.
Access & map
〒410-3514 Shizuoka Prefecture, Kamo District, West Izu Town, Nishina 2060
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