Casper Road Beach at Grants Point is located on the southeastern tip of Madeline Island in La Pointe in Wisconsin’s Ashland County. . A 2.6 mile (4.1kms) ferry ride from Bayfield will bring you to the Madeline Island Ferry Landing. This is a sandy beach on the shore of Lake Superior. It offers incredible views and calm relatively warm water. Grants Point is 2 miles (3.2 kms) from the Ferry Landing.