Martz Sink Circuit at Madison Blue Spring State Park, FL

This video is of a little known circuit one can do at Martz Sink. Get in at the sink, drop down into the room below the sink, and look to the right of the mainline. There is a sideline tied off on a rock near the bottom. This line parallels the mainline from Martz Sink to the main tunnel in Madison Blue. Gap this line with your reel then go down the main Martz Sink line to the main tunnel. When the Martz Sink line ends look to the right. You'll see a tunnel heading back toward Martz Sink. Gap this line and follow it back to the room below Martz Sink. There are two Tees on this parallel line. Be sure to go to the right on both of them. This is a short dive, it takes about 20 minutes to complete. Check out my book "The Education of a Cave Diver" here: https://www.amazon.com/Education-Cave...