Chautauqua Marina - Power,Pontoon and Fishing Boat Rentals. Newest and Largest Boat Rental Fleet on Lake Chautauqua. A full Service Marina open 7 days a week from 8 am -8 pm from June 20, to Labor Day. Call for off season hours 716.753.3913. Full Service Marina, Boat Rentals, Sales, Service, Showroom, Dockage, non ethanol fuel and more! www.ChautauquaMarina.com 104 West Lake Road, Mayville, N. Y. 14757, 3 miles from Chautauqua Institution!