Although MedBerths.com is mostly concerned with large yachts, it often covers issues that would affect all boaters. It is potentially a useful resource for news about changing tax situations in the med.

http://medberths.com/category/boat-tax-issues/

Vice Commodore, OCC 

Thanks Daria. We saw on there the July 2013 announcement that BVI is now going to start charging 15 dollars per person every time you exit... up from the current $5.