Observe Colorful Fish Through Glass-Bottom Boats in Crystal-Clear Waters
About this spot
A marine park designated for its exceptional water clarity in Shikoku, where coral and tropical fish inhabit a rich marine ecosystem. Boarding a glass-bottom boat with transparent sides allows you to enjoy an underwater walk without getting wet, and from the underwater observation tower, you can equally peek at the fish and their activities. The beautiful southerly azure waters, unusual for Shikoku, will have the whole family shouting with delight.
Season & hours
Name: 宍喰八幡神社祭り
Date & time: 9/26 (Sat)–9/27 (Sun) Time TBA
Venue: 海陽町・宍喰八幡神社(海部郡海陽町久保99)
徳島県最南端、海陽町宍喰地区に鎮座する宍喰八幡神社で、地域に古くから受け継がれてきた秋祭りです。2026年は9月26日・27日の2日間開催され、初日の宵宮には境内に屋台が並び、地元の人々や旅行者で賑わいます。太平洋を望む海辺の集落らしく、潮の香りと祭り囃子が入り混じる境内の雰囲気は、都市部の大規模な祭りとはまた違った温かみがあります。地域の結びつきを感じられる、家族で参加しやすい祭りです。
Tips
境内や参道は夜間暗くなる箇所があるため、懐中電灯があると安心です。屋台の営業時間や内容は年によって変わることがあるため、当日の様子を見ながら楽しみましょう。荒天時の開催可否は事前に確認を。
Food stalls
Where: 宍喰八幡神社境内(宵宮)
※Announced for 2026. Stall lineups change year to year. Please check the official site for the latest details.
Turn this into a day plan with stall time includedTips
It's good to check the operating hours and fees of the glass-bottom boats and observation tower in advance. On sunny days, bring sunscreen and a hat. If you're prone to motion sickness, anti-nausea medication is helpful.
Best time to visit
Takes about 1 hour and 20 minutes. The water's transparency is most beautiful during peak sun hours.
Access & map
〒775-0513 Tokushima Prefecture, Kaiyō Town, Shishikui-ura Takeshima, Takeshima
Model course featuring this spot
2026 Shishikui Hachiman Shrine Festival: Full-Day Experience Course
Tokushima
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