Congrats on the new boat.
Get something like a Sentinel 626 adhesive remover. That should take most of it off. Goo gone is about as good as anything that I have found though........unless of course they used the stupid stupid glue that they did on mine when I redid my deck last winter.
If its stubborn wet it down and put a piece of Saran wrap on it and let it soak so it doesn't dry out. Not much will really "hurt" your gelcoat.
You may have to enlist some extra help though.
