Demystifying your life raft — or, getting to know it step by step
Interesting and useful article by Ocean Navigator - October 2014 - with plenty of tips from cruisers.
USCG Integrated Support Command, Miami Florida: (305) 535-4300
USCG Sector Key West Primary Number: (305) 292-8809
USCG Sector Key West Emergency Number: (305) 292-8727
In an emergency, these numbers will put you in direct contact with the professionals who can coordinate a rescue or provide medical advice to boaters anywhere in the world.
If you are over 60 or have other health issues which make having a yellow fever vaccination unadvisable, then obtaining a "Certificate of Medical Contraindication to Vaccination" form is a useful precaution when planning to visit a country where a yellow fever certificate is required.
Certain other categories of people are also usually excempt from the vaccination requirement, such as infants under the age of one, pregnant women, and anyone allergic to eggs.
Some cruisers recommend waiting until you get to the country before having inoculations, as they are either free/cheap or not really necessary.