

Board glass-bottom and sightseeing boats from Shirahama's tour office to capture turquoise waters, coral reefs and tropical fish, plus panoramic coastline and white-sand beaches. Best at morning or late afternoon for calm seas and soft light; check boat schedules, ticketing and limited parking. Bring motion-stable gear; no special permits for tourists. Popular tourist spot—expect crowds in summer.


Board glass-bottom and sightseeing boats from Shirahama's tour office to capture turquoise waters, coral reefs and tropical fish, plus panoramic coastline and white-sand beaches. Best at morning or late afternoon for calm seas and soft light; check boat schedules, ticketing and limited parking. Bring motion-stable gear; no special permits for tourists. Popular tourist spot—expect crowds in summer.