first, November is still low season, we were there in September and dove the whole week with Don Fosters, and we were 4 people in the said large boats, even had the biggest one for just the two of us for the last couple of days
they do 2 tank morning dives and depending on where they go the latest you will be back at the shop is 1PM, can be as early as 12PM, you need to let them know what your schedule is like, and they will accommodate you
as for prices, i dare anyone to find cheaper prices then Don Foster, i looked at every single dive shop there and nobody beat theirs
they have a house reef where you can do your snorkeling afterwards, it is also where the night dives are done also they have plenty of free storage, where you can leave your gear
we had a car and after the morning dives drove downtown, virtually 5 minutes away, if that