The Day's Climax: Swim in Calm Ariake Sea. Water Sports Prohibited for Peace of Mind

About this spot

Shirahama Beach in Kuchinotsu Town, Minamiashigara, opens from July 18 to August 30, 2026, with bathing hours from 9:00 AM to 5:00 PM. The sandy beach facing Ariake Sea offers views of the Amakusa Islands, and the sheltered inlet ensures calm waters—perfect for families with small children. A notable rule prohibits all marine sports and jet ski use, ensuring swimming area safety. About 100 free parking spaces make car access convenient. From playing in the shallow water to building sandcastles, enjoy a full summer beach day until evening.

Season & hours

Tips

Bathing ends at 5:00 PM, so plan to wrap up about 15 minutes earlier to allow time for changing. Summer sand gets very hot with strong sun; bring adequate sun protection and water. Marine sports and jet skis are prohibited, so focus on floating rings and water play toys.

Best time to visit

After 2:00 PM, the sun intensity eases slightly, offering a long, enjoyable evening swim.

Access & map

Minamiashigara · Shirahama Beach (Kuchinotsu Town)