Catawba Island State Park is a 10-acre park located on Catawba Island in the state of Ohio. It is a popular destination for visitors looking to enjoy boating, fishing, and picnicking. The park offers a marina with 82 slips, as well as a boat launch for those who bring their own watercraft. There are also several picnic areas with tables, grills, and shelter houses for visitors to enjoy.

One of the main attractions at Catawba Island State Park is the historic Johnson's Island Civil War Prison Cemetery. This cemetery is the final resting place for over 200 Confederate soldiers who died while imprisoned at the nearby Johnson's Island Confederate Prison during the Civil War.

Another point of interest at the park is the Catawba Island Lighthouse. This lighthouse was originally built in 1865 and is now privately owned, but visitors can still view it from the park.

In addition to these attractions, Catawba Island State Park is known for its beautiful views of Lake Erie and its surrounding islands. Visitors can enjoy swimming, sunbathing, and beachcombing on the park's small beach, and there are also several nature trails for hiking and birdwatching.

The best time of year to visit Catawba Island State Park is during the summer months, when the weather is warm and the lake is at its most inviting. However, the park is open year-round and offers opportunities for winter activities like ice fishing and cross-country skiing.

Overall, Catawba Island State Park is a great destination for those looking to enjoy outdoor activities and learn more about Ohio's natural and cultural history.