Went with my wife to Maui for our second honeymoon, and did this on our third day. A great experience. You'll first board a "scout boat" at the dock where the crew gives you some preliminary instructions, what to expect, etc. They take you out to the parasail boat, which is frankly the hardest things you'll do.
Once on board, the crew of the parasail boat sets you up in the harnesses, and gives you some final pointers before taking you to the back of the boat where the parasail is. It all happens so fast -- suddenly you're up and parasailing hundreds of feet in the air! The views are fantastic, but you'll find the eerie quiet is what's most surprising.
Staff were great and upbeat -- they're determined that you have a good time!
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