Avalon State Park is located in Florida's St. Lucie County and is known for its beautiful beaches and natural beauty. The park offers a wide range of activities including swimming, surfing, fishing, sunbathing, hiking, and wildlife watching. Some of the park's main attractions include the pristine white sand beaches, the Indian River Lagoon, and the park's diverse ecosystem which includes various species of birds, sea turtles, and manatees. Visitors can also take guided tours of the Indian River Lagoon and its surrounding marshes. The park is open all year round, but the best time to visit is during the winter months when the weather is mild and the crowds are smaller. Overall, Avalon State Park is a great destination for anyone looking to experience Florida's natural beauty and outdoor activities.