CHURASUN BEACH OPENING: March 26, 10:30 a.m.-6 p.m.; swimming in the ocean, marine activities and more; Tomigusuku city, 15-minute ride from Naha Airport; free; 098-850-1139. (Photo courtesy Churasun Beach Park)

AZAMA “SUN SUN” BEACH OPENING: April 22; swim in the ocean and marine attractions, including water-skiing, banana boat riding and watercraft riding; 50-minute drive from Naha Airport; 098-948-3521.

NISHIHARA MARINE PARK KIRA KIRA BEACH: April 22, 11 a.m.-3 p.m.; beach opening ceremony, followed by hula dance and Hawaiian live band, water attractions and more; 35-minute drive from Naha Airport, parking lot available; 098-944-5589.

UKEN BEACH OPENING: April 23, 9 a.m.-6 p.m.; marine activities at man-made beach equipped with dressing rooms and showers, Uruma city, parking available; 70-minute drive from Naha Airport; 098-974-7772.