Jackson Blue Springs crystal clear water is a first magnitude spring, a steady stream of bubbles emerges, causing schools of fish to change course. Under a popular summer swimming hole is an underground world described as one of a kind beauty in the cave diving world.
The lake is accessible off US 90 in Marianna by taking SR 71 north 1.1 miles to SR 164 for 1.8 miles and then south on Hunter Fish Camp Rd. to the ramp. Merritt's Mill Pond is renowned for its trophy Redear Sunfish (shellcracker) fishing.