Held multiple times throughout the year, the Atami Marine Fireworks Festival is a beloved local tradition and a fixture of the city’s nightscape. Originating in 1952 (Shōwa 27), it now attracts visitors from across Japan and beyond. Set in the natural amphitheater of Atami Bay—surrounded on three sides by mountains—the booming fireworks create an immersive, concert‑hall‑like sonic experience that sets this festival apart.