Deer Spring discharges from a limestone fissure into a circular pool 75 ft (2.9m) in diameter. The vent is located on the south side of the pool approximately 4.5 ft (1.4 m) deep. The pool bottom is sand and the water is clear blue. Aquatic vegetation and algae grow along the pool bottom. The spring run averages 6.5 ft (2.0 m) wide and 2 ft (0.6 m) deep and flows 200 ft (61 m) northeast to the Santa Fe River. The entire run is covered with exoticvegetation and duckweed. Land rises to 3 ft (0.9 m) above the water surface and levels to a picnic area with barbeque pits and oak trees. There is a wooden swim platform on the north side of the pool. The spring is located within Ginnie Springs Outdoors, a private campground and outdoor recreation concession. Discharge on November 4, 1997 measured 4.99 ft3/s(4).
From High Springs, drive south on U.S. 27/41 about 1.0 miles (1.6 km). Turn west (right) onto State Road 340 (Poe Springs Road) and drive about 6.6 miles (10.6 km) and then turn right onto the graded road at the sign for Ginnie Springs. Follow the road another mile (1.6 km) to the entrance. Deer Spring is the most downstream spring in the Ginnie Springs complex.