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Admire the Striking Rock Formation Polished by Waves, Representing Izu Oshima
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Admire the Striking Rock Formation Polished by Waves, Representing Izu Oshima

About this spot

A striking rock formation approximately 29 meters tall that stands along the coast, a short distance from Habu Port. Its form, standing upright in the sea after enduring wave erosion, is known as one of the scenic spots representative of Izu Oshima. From the surrounding observation areas, you can enjoy the landscape unique to Izu Oshima, created by the contrast of blue sea and black lava rock. It is a memorable spot to visit with children, discussing "why did this shape form?" while observing it—a nature experience unique to the island. This impressive stop helps build excitement for the swimming beach that comes next.

Season & hours

Name: トウシキ遊泳場

Date & time: 7/18 (Sat)–8/16 (Sun) 9:00–16:00

Venue: 大島町・トウシキ海岸

大島町・トウシキ海岸に位置する海水浴場で、2026年は7月18日(土)から8月16日(日)まで、9時から16時の時間で開設されます。伊豆大島ならではの黒い溶岩の岩場に囲まれた入り江状の地形で、波が穏やかな日は磯遊びと海水浴の両方を楽しめる人気のスポットです。透明度の高い海は大島らしい景観で、島の夏を象徴する景色のひとつです。遊泳は無料で楽しめるので、島を巡ったあとの締めくくりにも気兼ねなく立ち寄れます。夕方の営業終了時間までゆっくり過ごし、大島の海と1日をたっぷり満喫しましょう。

Tips

遊泳時間は9時から16時までなので、終了時刻から逆算して余裕をもって切り上げましょう。売店やシャワーなどの設備については事前に大島町の公式情報で確認しておくと安心です。岩場が多いエリアなので、ビーチサンダルやマリンシューズがあると足元を守れます。

Source: town.oshima.tokyo.jp

Tips

Views are primarily from the observation points, and entry onto the rock formations is not permitted. Since parking is limited, be cautious of roadside parking during busy times. After taking photos, keep it brief and head to lunch for a smooth schedule.

Best time to visit

Time required: approximately 30 minutes. It is recommended to stop by on the way to the swimming beach.

Access & map

〒100-0212 Tokyo, Oshima Town, Habu Port (東京都大島町波浮港)

Visit official website

Model course featuring this spot

2026 Toushiki Swimming Beach Full-Day Course

Tokyo

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Admire the Striking Rock Formation Polished by Waves, Representing Izu Oshima (Tokyo) | Things to Do & Highlights | Yui (栞)