A Shirahama night lit by ama divers swimming with torches and fireworks
Minamiboso Shirahama Ama Festival × Noto Recovery Support Maruguru
The 2026 edition of Minamiboso Shirahama Ama Festival × Noto Recovery Support Maruguru has ended.
Festival information
EVENT INFORMATION- Dates
- 2026/07/18 〜 2026/07/19Ended
- Location
- Park plaza in front of Shirahama Nojimazaki Lighthouse
- Area
- Chiba Prefecture・Minamiboso City(From Tokyo: approx. 40 min–1 h · train)Prefecture-level estimate to a main station or airport, not the venue. Airport access, check-in and onward travel are extra; remote areas and islands can take much longer.
- Features
- Highlights and activities
- Participation fee
- Free (paid seating available)
- Last updated
- 2026/10/19
The Minamiboso Shirahama Ama Festival is an event in Shirahama, Minamiboso City, whose highlights are the “Great Night Swim,” in which ama divers swim in the sea at night carrying torches, and the fireworks at its finale.
About Minamiboso Shirahama Ama Festival × Noto Recovery Support Maruguru
The Minamiboso Shirahama Ama Festival is held at the park plaza in front of Shirahama Nojimazaki Lighthouse in Shirahama, Minamiboso, Chiba Prefecture.
In 2026, it was held concurrently with Noto Reconstruction Support Maru-guru.
The “Great Night Swim,” in which ama divers swim in the sea at night carrying torches, is introduced as an iconic event of this festival.
Festival highlights
The highlight is the “Great Night Swim,” in which many ama divers swim in the sea at night carrying torches.
The 2026 information says that fireworks will be launched at the finale of the Great Night Swim.
The event is distinctive for bringing together the ama divers’ nighttime swim in the sea and fireworks that light up the closing moments.
A Shirahama night lit by ama divers swimming with torches and fireworks
What to expect
In 2026, it was held on July 18 and 19, with the advertised Great Night Swim and fireworks taking place between 8:30 p.m. and 9 p.m.
During the Great Night Swim, many ama divers swim in the sea at night carrying torches.
The festival concludes with fireworks, so you can enjoy the sequence from the ama divers’ swim to the fireworks.
How to take part
参加費：無料（有料席あり）
Location and access
- Venue and address
Park plaza in front of Shirahama Nojimazaki Lighthouse / Shirahama, Minamiboso City, Chiba Prefecture
- Train and bus
JR Tateyama Station (Nitto Bus) to Nojimazaki Lighthouse Entrance stop (about 35 minutes) → about a 10-minute walk / JR Tateyama Station (JR Bus Kanto) to Nojimazaki Lighthouse Entrance stop (about 50 minutes) → about a 10-minute walk
- By car
About 30 minutes from Kyonan-Tomi IC on the Futtsu-Tateyama Expressway
- Parking
Free
Address Shirahama, Minamiboso City, Chiba Prefecture
Dates and season
- Event has ended
2026/07/18〜2026/07/19
Accommodation and hotels PR
Showing nearby accommodation.
Prices and availability are current at the time of retrieval. For multi-night stays, only the first night’s price is shown. Confirm the final price and directions to the venue with the booking provider. Select your dates again when using the area search link. Search area: within 3 km of Central Chiba Prefecture / Minamiboso City (the search is not centered on the festival venue)
Tips for your visit
The 2026 information stated that the event would be canceled in severe weather.
Admission is listed as free, but the Minamiboso City Tourism Association’s Chikura Tourist Information Center is provided as the contact for paid seating.
Nearby attractions
Nearby attractions listed include Nojimazaki Lighthouse, Nojimazaki, Shirahama Beach, and Roadside Station Shirahama Nojimazaki.
Shirahama Marine Art Museum and Kirarin-kan are also listed as attractions near Minamiboso City.
They are options to visit alongside the festival, including the lighthouse, beach, and roadside station.
野島埼灯台
千葉県南房総市にある灯台
写真：ガウス at Japanese Wikipedia / CC BY-SA 3.0
Photo source ·Official information
南房総市観光協会：Minamiboso City Tourism Association
南房総白浜海女まつり：Minamiboso Shirahama Ama Festival
Minamiboso Shirahama Ama Festival × Noto Recovery Support Maruguru at a Glance
The Minamiboso Shirahama Ama Festival is held at the park plaza in front of Shirahama Nojimazaki Lighthouse in Shirahama, Minamiboso City.
In 2026, the Great Night Swim and its finale fireworks were scheduled for 8:30 p.m. to 9 p.m. on July 18 and 19.
The venue can be reached by bus and on foot from Tateyama Station, or by car from Kyonan-Tomi IC; parking is listed as free.
Japanese Festivals.jp Editorial Team
Celebrating local culture and helping you discover a side of Japan you never knew.
Article updated: 2026/10/19
Submit information or a correction Submit photos of this festival
