
Swim at the White Sand Shallow Beach Until Evening. Lifeguards on Duty for Family Peace of Mind
About this spot
A beach spreading across the Miyaumi district of Sakata City, open from 9 a.m. to 5 p.m. from July 18 to August 16, 2026. The shallow white sand beach facing the Japan Sea has relatively calm waves, making it popular with families with small children. Equipped with public toilets, changing rooms, showers, and first aid stations, with lifeguards on duty, you can enjoy swimming safely. Beach huts line the shore for rest and meals. Enjoy wave play and sand play on this open Shonai summer beach, spending time freely until 5 p.m.
Season & hours
Name: 宮海海水浴場
Date & time: 7/18 (Sat)–8/16 (Sun) 9:00–17:00
Venue: 酒田市・宮海海水浴場
Tips
Swimming is free, but parking charges a cleaning cooperation fee of approximately 0–1,000 yen for regular cars (varies by season). Summer sand gets very hot, so beach sandals are essential. Swimming hours are until 5 p.m., so it's recommended to wrap up around 4:45 p.m. to allow time for changing and cleanup.
Best time to visit
After 1 p.m., afternoon sunlight becomes stable, making it a time period where you can enjoy play until evening.
Access & map
Sakata City, Miyaumi Beach (宮海海水浴場)
Model course featuring this spot

2026 Miyaumi Beach 1-Day Full Experience Course
Yamagata
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