Yes, I'll try and post some photos when I'm done. It might be a few weeks away.
As you've experienced many grades of stainless steel will not be happy in salty moist conditions. At work we use many grades of stainless steel (some for very high temperatures > 800°C), but I also use stainless steel with demineralised water. The minimum grade of stainless steel I'd use is 316. You can possibly get away with 304L though. I'm guessing that what stores generally call "stainless steel" is not one of these grades.
Shane