Earlier quoted context omitted.
You're welcome. Basic engine repair skills, something to patch up your boat in case you spring a leak, a basic comms kit+genny so you can call up the coast guard or a passing boat if you should need them (assuming your island is out of cell phone reach), cache of freshwater, fuel, waterproofed matches and a couple of days worth of tin cans in case you ever get cut off. Halifax coast in winter can be, how to phrase th…
As a SAR guy, I can say the big big thing is the first aid (plus CPR). It sounds like you're relatively close to civilization, but realize that if someone has to come to help you, they're likely not going to be there within the Golden Hour ( https://en.wikipedia.org/wiki/Golden_hour_%28medicine%29 ). That, and just being prepared in general (ten essentials: https://en.wikipedia.org/wiki/Ten_Essentials and knowing how…
Maybe you could make a weekend of it for your families or something.