With all of us carefully watching how we spend each dollar, there's nothing better than finding something to do that costs nothing or very little. Perhaps to your surprise, Hawaii still has plenty of things to do that will cost you nothing or in some cases less than $10 and some gas for the car.
Check out all of the fun things that you can do and spend very little if any money in doing them:
Things To Do For Free On Hawaii's Big Island
Things To Do For Free on Kauai
In addition to your listings there are tons of Hawaii freebie ideas on http://www.trailblazerhawaii.com.