My gf and I will be hammocking our way around the Big Island at the end of April 2011 for 2 weeks. Only looking at 1 hotel stay... the night before we fly out.

Has anyone hung their hammocks in the A-frame public beach shelters that are available for rent?

Any recommendations of good spots (legally) you can pitch a hammock overnight?

Any issues with your rental car getting broken into when left for a few days at a trailhead?

We are at least going to do 3-4 days Muliwai Trail / Waimanu Valley. Still planning out the rest of the trip. But the tickets are bought!