Jamestown: Ph. 724-932-3267 (located at south end of the lake)
Espyville: Ph. 724-927-2003 (located at the causeway)
Linesville: Ph. 814-683-4339 (located at north end of lake)
I'm pretty sure that the Jamestown marina opens late March. The others open April 1st.
frost is right. It's $100-$120 a day (7AM-7PM) to rent a pontoon. Deposit of $100 required.