Hanna Park, Coastal park in Jacksonville, United States.

Hanna Park is a large coastal park in Jacksonville with direct access to an Atlantic Ocean beach and an inland freshwater lake surrounded by pine forest. The property features multiple sections developed for swimming, mountain biking, hiking, and water activities, all connected by trails.

Part of today's park was Manhattan Beach, Florida's first beach community for African Americans during segregation, intended for Black employees of the Florida East Coast Railway and hotels. Entrepreneurs Mack Wilson and William Middleton helped make it a destination, with picnic pavilions, cottages and an amusement park. It flourished until 1932, when the railway stopped its Jacksonville to northern Mayport route; around 1940 the larger American Beach on Amelia Island superseded it.

The park occupies the site of Manhattan Beach, Florida's first beach community for African Americans during segregation, created for Black employees of the Florida East Coast Railway and hotels. Entrepreneurs Mack Wilson and William Middleton helped make it a destination across the South, with picnic pavilions, cottages and an amusement park. It thrived until 1932, when the railway ended its Jacksonville–Mayport route.

The park is accessible by car with parking areas distributed throughout different zones based on activity type. Arriving early, particularly on weekends, helps ensure space availability and allows time to enjoy the popular trails and water areas.

The site is known among mountain biking enthusiasts for trails with colorful names like Grunt and Misery that host organized competitions. These routes attract riders from across the region seeking the challenge and reputation the location has built.