Seismic-reflection profiles were collected in the northern part of Lake Okeechobee as part of a study to refine the hydrogeology of the Floridan Aquifer System in the area. The dataset consists of eleven 2D lines and a one-square mile 3D survey. A total of 53 miles of 2D lines were collected on land, on canals, and on the lake. The 3D survey was completed in the north-central part of the lake. 2D lines were acquired between February and August 2020. The 3D survey was acquired in January 2021.