Life on the different islands varies, as well as the cost of living, salaries and job opportunities. Oahu is the busiest island in Hawaii. The other Islands of Maui, Kauai and the Big Island are less populated islands.
Website of family friendly hikes on Oahu rated by difficulty
List of things to do/see/eat in Oahu, Hawaii -- Can't wait for our Hawaii trip!
SEA LIFE PARK (Hope You Like Fresh Air)
Sea Life Park // Location: Waimanalo, Hawaii (Oahu) aw been here and swam with dolphins here
10 best kid-friendly hotels with water parks
The lazy-river at the Grand Wailea Resort Hotel and Spa
Oahu with Kids
Parasaling in Hawaii - Hitting the water
Snorkeling at Hanauma Bay Nature Preserve ~ 30 minute drive east of Waikiki, or take the bus. Bring your own snorkel gear or rent it there - do Hanauma again with Oliver?