Ellacoya State Park Ellacoya State Park is located in Gilford on the southwest shore of Lake Winnipesaukee, New Hampshire's largest lake. The 600 Gilford, NH State Parks Lakes Region Kennel Club NH nonprofit 501c(4) Gilford, NH Other Attractions Sawyer's Dairy Bar Gilford, NH Other Attractions WLNH Gilford, NH Other Attractions Silver Sands Motel & Marina Gilford, NH Businesses