Remember the 'Swimmer' staring Bert Lancaster, a story of a troubled mans journey' naked except for a tight swim suit. He starts the odyssey Swimming from pool to pool across the rural Elysian yards of upstate New York and the perpetually stoned society of party animals who own them.
Ambergris Caye isn't there yet but I'm sure in a very few years you can swim your way North to South on the island with out getting in the sea. We could make it an annual event.

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