The park was created through land reclamation efforts to expand Atami's coastal recreational capacity.
The sand used for the beach is primarily imported and processed to ensure safety and comfort for bathers.
The breakwater configuration creates an enclosed bay environment that minimizes high-energy wave action.
It hosts a recurring seaside farmers' market known as the 'Nagahama Marche' on specific weekends throughout the year.
The park's design incorporates universal accessibility features, including paved walkways suitable for wheelchairs and strollers.
Nagahama Seaside Park is a man-made beach and recreational facility located on the coast of Sagami Bay in Atami, Shizuoka. The park features a 400-meter-long artificial sandy beach protected by breakwaters, creating calm swimming conditions. It serves as a multipurpose waterfront zone with designated areas for beach sports, sunbathing, and coastal strolling. The facility integrates a promenade and grassy sections with direct ocean views of the Izu Peninsula. It is a popular destination for summer swimming and seasonal seaside markets. The site is equipped with public restrooms, shower facilities, and lockers to support beachgoers. The park is managed as a public space to provide coastal access to both locals and tourists.
The raised wooden promenade section providing a panoramic vista of the beach and Sagami Bay.
Visit during the weekend market days to sample local Atami produce and crafts from the stalls.
Bring water shoes, as the sand can be coarse in some sections near the water line.
Utilize the designated foot-washing stations located near the beach exits to clear sand before returning to your vehicle or public transport.
Attempting to swim outside of the designated summer season when lifeguard supervision is absent.
Swimming is strictly seasonal, typically permitted only during the mid-summer months.
Swimmers are expected to remain within the designated roped-off areas; traditional beach attire is standard.
