Just left Maui yesterday. All state parks are off limits and usually have a sign showing that no drone flying is allowed. There are a few places that are owned by the state, but aren’t necessarily a park. I didn’t see a sign at those, so I flew. Great stop on the road to Hana is Keanae which is a little town on the coast just off the road to Hana. Its on a little peninsula with great views and lava rock beaches. I took some really nice video and stills there. Wish I would have though to put my ND filter on to get some cotton candy shots of the waves smashing against the lava rocks. Beware of high winds! Enjoy your trip. Maui is beautiful.