just me wrote:
I need to purchase a laptop to keep on my boat while cruising and living
aboard.
I'm concerned about moisture and salt air.
Any advice and recommendations appreciated.
Thanks, Jay

Look up "Itronix" on Ebay. One seller, sri_sales moves quite a few of
them. First generation Pentiums mostly but people are just foolish
about needing P3-P4 processors for the kinds of things most people do
with them.