Madison Blue Spring is a limestone basin that flows into the Withlacoochee River, offering a distinct overhead environment for intermediate divers. The site features interesting rock ledges and depths ranging from 1 to 8 metres, with an average depth of 8 metres. Visibility varies significantly from 6 to 60 metres, and divers should be prepared for moderate currents. Access is via a shore entry located 20 metres from the parking area. The site is also suitable for snorkelling. As a cave environment, it presents specific hazards including decompression, nitrogen narcosis, and overhead restrictions. The habitat supports a variety of temperate freshwater fish and invertebrates typical of the region.