Marine

• Amami Oshima (or simply “Amami”) World Heritage Site (Kagoshima Prefecture) approx. 200 miles south of mainland Japan midway between mainland Japan and Okinawa, relatively temperate water - rarely below 18 deg C (64.5 F) in winter, above 30 deg C (86 deg F) in summer
  • video, Amanico downwind camp video
  • Nishikomi - Seisui 21 km video A northwesterly wind blows during the winter months.
• Hayama video
• Izu Peninsula
  • Izu Atagawa to Yumigahama 35 km video
  • Minami-Izu (Nanzaki Run) video, video2, 2024 OC, Va Champs
  • Yumigahama - …? video
• Kamakura (Zaimokuza Beach) - Miura (Wada-nahama) 19 km Downwindable.com (distance wrong here?), video
• Manazuru to Enoshima 36.66 km video, Downwindfun
• Nagoya
  • Shinmaiko Marine Park - Utsumi Beach 26.6 km (course for the first Japan Surfski Championships 2008 - Oscar Chalupsky report)
• Okinawa - Yoron Islands (O2Y) 30 km (you want a safety boat for this run) 2024 SUP Race
• Oura Beach - Kannonzaki Park 13 km video
• Sendai Area
  • Shobutahama Beach video
  • Shichigahama video, laps video

Surf

• Amami Oshima Swell laps video
• Hayama video
• Kamakura video
• …

Lakes/Flatwater

• Japan Paddle Guide
• …