The 88 RV campsites at Markham are all equipped with full 50-amp hookups, and all have access to restrooms and heated showers. Primitive group camping is offered. Wi-Fix is also available at the campground.
Ramps provide access to the Everglades for boaters and fishing enthusiasts (bring a Florida license and your own gear). The recreation complex on the park's 56-acre island offers tennis/racquetball facilities, as well as boats and volleyball. Other amenities in this 669-acre park include a personal watercraft area, mountain bike trails, a biking/jogging path, a dog park, and nature trails. There are shelters and picnic areas, along with a model airplane field and an observatory. The park is also known for its outdoor target range.