Welcome aboard and good luck with the boat seach. As you know, Erie can kick up a very nasty chop, so I would recommend something that is sturdy and seaworthy.
If you want to start your searching for a marina, try this link. It might be a good place to start.
Aerial Photography of Marinas, Lighthouses, Ports, Restaurants, and more. Purchase framed marine images.
Here is an example close to Erie.
North East Marina in Pennsylvania, United States. Buy high quality framed images, prints, t-shirts. Up to date marine weather, services information, and photos
Courtney is My Hero
If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White