You gotta store it indoors bud.
I used to only have a 2 car garage... it was heated but in the winters no room for our 3 cars... so I'd pay to store the S2000 from about October or November through April/May.
If you have an s2k in good condition and want to keep it that way, don't store it outside in the winter.

 

Indoors. Don't drive it in the winter at all. Wash, wax, hook up a battery minder. Top off the gas tank and maybe throw in some Stabil for good measure. Use a good conditioner on the seats (Leather Honey) and Raggtop for the vinyl top.

 

Always garaged offsite at another property of mine. I pick it up for fun getaways and weekends. I find that a garage and a cover keep it minty.

 

Nobody's going to deny that it's preferable to keep your car in a garage versus under a cover, and if you can afford to do so, I'd pay to keep it in a garage. I have a 2-car garage and 5 cars. The NSX and S2000 are in the garage all year. My old minivan and Ford both sit in the weather. The Lexus IS300 sits outside under a high quality car cover, no awning, carport, or anything else. Since having purchased it last summer, the covered car has endured sun, rain, snow, and ice, and looks fine...no problems so far. My opinion is that, at least with a hardtop car, you CAN use a cover (I know the S2000 is a convertible...keep reading!), but shop around and get a high quality cover and a tie that will keep it on the car when windy outside. It not only has to protect from snow and rain but also sun, and it must breathe. You're going to spend some money, but as with so many things, in car covers you get what you pay for. I also removed the battery from the car over the winter and kept it on a tender in the garage (while the car sat undriven in the driveway all winter...under the cover). The key difference between your S2000 and my IS300 with respect to storage would be the issue of the convertible top. With heavy precipitation, i.e. rain, some moisture WILL get through the cover and thus onto the roof. However, if the cover breathes properly then the moisture will dissipate, and again this hasn't proven so far to be an issue with my hardtop car. I'm unsure whether or not this would be a problem with a cloth top, and would be a question to ask the car cover manufacturer's customer service people before making any purchase.

 

If you do need to keep it under a cover in the winter, put a pail of Damp-Rid in there. It does a pretty good job of sucking up the interior moisture so it doesn't collect on surfaces and grow mold. I learned that after one season leaving the car covered for about a month in November. Took a lot of cleaning. :/

 

Any type of tarp will abrade the paint where it touches. Especially avoid the infamous "blue tarps." I mistakenly covered one of my boats with such a cover one winter and had to hire a kid to spend a week removing the blue color and restoring the white hull. Solution is a frame to keep the cover off the body/hull. The S2000 is small enough to glue or screw PVC pipe together to make the frame and cover it with breathable canvas to keep the sun and weather off it. Park on pavement, not dirt or grass. Watch out for mice (and cats).

A distant choice to a garage though.

-- Chuck

 

I think eventually I will go hard top (pause)

 

damn bro I’m in your exact same situation, let me know if and where u find a good garage/ storage

 

Even in a garage, put a tarp under the car. You'd be surprised at how much moisture comes up through a concrete floor. And if possible, run the car up on some ramps to increase under car air circulation.

 

I live in Vermont - ie. snow country. Last year I found a local outfit in my area that stores cars and boats in a heated and dry space. I pay about $500 or so for 6 months. For the other six months my daily gets kicked out of my garage. So far so good.