You mean nobody uses VCRs in South Florida, which has a similar climate to Belize (and where Blockbuster Video was started)? <grin>
Seriously, videos, not to books, appliances, not to mention human livers, can be affected by salt water and the hot, humid climate, but lots of people I know who live in Belize have VCRs and big tape collections (and no A/C) and their tapes seem to play just fine. Guess they take some precautions with them, keep them boxed and stored, use a head cleaner frequently, etc.
Maybe some full-time San Pedro residents can give their experiences with VCRs.