There are so many companies you can use to book the sailboat. Don't stress, just pick one. They all deal with the same boats and the same captains and they all seem to cost between $500-550 for the whole trip.
I guess at sea, you have to be ready for anything. We don't want to be negative, we just want you to be prepared. Life isn't all rainbows and unicorns, and life at sea is definitely no different. These are things you should know before locking yourself into 5 days at sea.