I was just in Isla Mujeres last week or so and I am told that if you can not get a departure clearance in the Us from the Port Captain
, it helps alot to have something like a dated fuel
receipt to show when you left.
The best thing to have is a "zarpe" or a "transire." Last time I sailed to Isla from Pascagoula I tried to see the Port Captain
but was unable. The Mexican authorities do not like to play games and are very serious so courtesy is in order. That said, we pulled in from Livingstone, guatemala
to Marina Paraiso (dual green strobes) and other than costing money
, clearing in was a snap. No Hassle.