McCarthy Beach State Park is located in Side Lake, United States and boasts a beautiful sandy beach that stretches over 2,300 feet. The sand on the beach is golden, making it an ideal spot for sunbathing and playing beach volleyball. There are plenty of activities available at McCarthy Beach State Park, including swimming, fishing, kayaking, and canoeing. Visitors can also enjoy hiking, biking, and birdwatching. McCarthy Beach State Park has many amenities including bathroom access, but there are no lifeguards on duty. Dogs are allowed on the beach but must be on a leash.