Waimea Bay Beach- Haleiwa

This is the beach where you can get activities for kids as well as for teenagers

Baldwin Beach Park — Paia

You can have there a little tots protected swimming pools, Baby Beach in the west, and Baldwin Cover in the east.

Lydgate Beach Park — Lihue

This is the safest beach in hawaii with enclosed swimming area and lifeguards as a toddler friendly

 Ko’Olina Beach — Kapolei

Ko'Olina Beach, which relates to "fulfilment of joy," is a lovely 2-mile beach made up of four man made lagoons.

Hanauma Bay State Park Beach — Honolulu

This beach found in Volcanic Cone and you can enjoy seeing green sea turtles, and much colorful fish like parrotfish.