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 Inn at Smith Cove Gilford, NH Other Attractions Silver Sands Motel & Marina Gilford, NH Businesses B. Mae's Resort Inn & Suites Gilford, NH Businesses Airport Country Store & Deli Gilford, NH Other Attractions