When working I often got the question, “What do you think about storing the boat in the water over the winter”. This question was asked by, Scandinavians that were thinking about storing the boat in the water in freezing temperatures.
My answer was always “No problem if you are going to use the boat. But if that is not the case I recommend to store it on the hard.”
I think that answer is also valid for boats in warmer climates.
A cover or even better storing the boat inside stops the UV-radiation and the aging process.
Boats in Scandinavia are normally stored on the hard between 6-9 month/year.
If the boat is under a cover or in a shed 6 month of the year the aging process of the surfaces will slow down to drastically.
We have got quite a lot of credit from other cruisers for how good Bella Luna looks. Many think she is only 3-4 years. One of the explanations is that Bella Luna has been under cover for about 5 years out of the 10 years.