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Jackson Blue is located just outside the town of Marianna, Florida. Upon arriving in Marianna, your first stop will be the Sheriff’s office. If this is your first visit, the Dispatcher will have you complete a form while he/she makes a photocopy of your driver’s licence and C-card. This is a process you only need complete once; your information will be on file from this point on.
The dispatcher will also have you log in and post your expected departure time. He or she will also collect your diving fee. The dispatcher will give you a key to Jackson Blue, unless they are all checked out. If no keys remain, the Dispatcher will ask you to get one from divers who are already on site, but leaving ahead of you. When you are done diving, you will have to go back to the Sheriff’s office to check out. If you are responsible for a key, turn it in at this time.
<a href="http://www.cavediving.com/where/florida/jax_blue.htm">via The Cave Diving Website</a>