For most families, and for almost every first trip to Hawaii, Oahu is the better island for kids.
Big Island
How Many Days on the Big Island Do You Need?
Plan on 7 days on the Big Island if you can, and 7 to 10 if it’s the only island on your trip.
Big Island Itinerary With Kids: When to Split Your Stay and When Not To
For a week on the Big Island with kids, I’d split your stay: about 4 nights on the Kona side and 3 nights on the Hilo side, and see Hawaii Volcanoes National Park from the Hilo side.


