Things to Do in Ishigaki/Yaeyama in 2026 – Tours & Activities | VELTRA Discover the beauty of Japan’s waterways with an unforgettable Stand Up Paddleboarding (SUP) adventure. Glide across crystal-clear seas, serene rivers, and lush mangrove forests, with options ranging from sunrise and sunset cruises to snorkeling and island exploration. Whether paddling along Okinawa’s remote beaches, exploring Iriomote’s mangroves, or experiencing a seasonal SUP and fruit-picking tour, these excursions offer a perfect mix of relaxation and adventure for all skill levels.