5. Hanalei Bay, Kauai, Hawaii.
This beach, located on the north coast of Hawaii, is a quiet oasis of fun beach activities. There are many vacation home rentals in the area, so you can head from your condo or house rental right to this beautiful beach. Kids love it because the white sand beaches are prime for sand play, there are restrooms, picnic facilities and a lifeguard on duty. Kids can play in the water most times of the year and surfing and boogie boarding are also popular here.