It's worse than that. Any Falmouth or Hyannis Mass. Freepers want to tell Iron Jack what you are paying down there for a slip in a decent marina? ($200/ft) - tom
I am curious to learn more about your part of the country. I find it difficult to grasp the notion of paying $200 per foot for a slip. Is it a covered slip? Does it come with sideboys? I keep my 56-footer in the water all year around for $7 per foot in the California Delta. As for use, my family and I use it 100 days per year on average. Boats like mine can be chartered for $700 per day, and based on that imputed rent, we have earned-out the cost of the boat.
I think that's per season (six-odd months), not per month.
So if I had a 20' boat and paid $150 per foot I would pay $3,000 a season or about $50 a month - not so bad.
(The lower rates are generally for smaller boats - large boat slips are more expensive per foot too).
D