There are many variables with this. Here in Southern RI - South Kingstown and Narragansett - the slip availability in the past years has been very tight. Only this year did it open up a bit. On our 4th season at a marina, I can probably think of more small things than you would believe.
1. At our marina for the 1st 3 seasons, there were so many no-seeums -
these are little flies so small that you can't see them but they bite
very badly. Could not be on the boat after dark, or get chewed up
alive.
2. Lighting. Is there lighting on the pier poles. It helps when returning
at night and for security.
3. How protected is the marina from wind. There are marinas on the Pt
Judith Salt Pond that are flat open to the wind from any direction.
Others are protected by trees and land and while the breachway may
have 20kt wind, back at our marina, the wind may be much lower.
4. How congested is the marina. Some marinas jam many boats closely
together requiring very delicate turns to squeeze into your slip.
And many boats have anchors on the end of the pulpit which in a few
seconds can cause damage. Our old marina was a nightmare to get
in and out of. Our new marina is cake. Makes a big difference.
5. Our previous marina was socially dead. The new one has a whole
different type of people. Much friendlier. Many more boats.
Several marinas are in the same area. Lots going on.
6. How far is it to the fishing areas. Our old marina was a 20 minute ride
to the breachway. The new marina is a 30 minute ride. It's less
expensive / foot, same water and power service, but I like it better.
We can sit on the boat evenings without bug bites, we can get in and
out of the slip easily, and have made new friends with dockmates.
7. Some slips have a dock pier that is 1/2 the length of the boat.
Others have a dock pier that is the length of the boat. We have the
outboard on a bracket with pulpit and anchor. Total length is 30 feet+
even thougth the boat is 23 feet. Our new marina has a pieer that is
about 32'. Nice.
8. Some marina operators will try and wrap up winter covering and
storage as a condition of the slip. Our old marina did this, but the new
marina doesn't. Saving about $800 / yr.
As I said, there are lots of little things that after you get the slip, you
realize after the fact.
Good Luck. Your priority on these considerations will most likely be
different than ours.
Regards, Paul
2005 2310 / F250
Pt Judith Salt Pond
Pt Judith, RI