Join Date: Jan 2014
Location: Boat in Muskegon MI
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Re: Paint over Gelcoat above the waterline.
I too am going to guess that somewhere there was either some superficial damage to the gelcoat or it got thin from too many buffings in some spots and hence needed a paint job.
If you buy and and decide to do something about it the entire paint job will need to be taken back down to the gel coat. It sounds like they didn't do a sufficient job in prepping before the paint, if they had it wouldn't be peeling. If you do decide to repaint go with a 2 part paint whatever brand you choose. The durability, hardness, scratch resistance, gloss, and self leveling properties are far superior on two part (LPU, or "epoxy") paints than with enamels. They will retain their gloss much longer, which means less work for you in the long run.
Also with using a 2 part primer it fills in and stops any further crazing of gelcoat very nicely. Good luck whatever you decide. FYI for my 29ft boat I spent about $1100 painting it myself. That was 4 years ago and I already had most the tools I needed.