Should not be a problem with 5 ft on the inside but it is lots of work navigating the ICW
I lived in Miami
and went down Biscayne Bay many times and then out of Anglefish to continue south. Anglefish is well marked and I have run it at night several times. However, it is 2 yrs since I last went through.
Hawke's channel is so much easier than the ICW
and there are several places you can anchor
on the way to Marathon. However, both inside and out the holding is poor, 6 inches of sand on a tarrazzo floor!
The diving/snorkeling is great on the reefs
on the eastern side of Hawke's channel and I used to spend the night on the dive mooring
balls on the reefs
, nice breeze and no mosquitoes.