[avournas]

eph05

Since your question is covered extensively by other members, I will only stick on two points:
There is no liability for the charterer (other than the refundable deposit of course) in the case of a damage/accident. You may well sink the vessel and the only you will loose is your deposit, and
You may view itineraries for your chosen area here:
http://www.almiyachts.com/Bareboat/Itineraries/itineraries.html

Here''s to a succesful trip
ALex