First move is to take stock of what I have in the vehicle, complete inventory. My vacation would have been at the beach, living out of a beach fishing modified XJ... I don’t hike. I would have enough gear to keep me going on a remote fishing trip, with no stores to go to. Food would be low. I would have fish in the cooler, bag of flour, some cans of Beenie Weenies, crackers, spices… No long term food stuffs but enough gear to keep me going for an extended time.
Second is to take stock of where I am. My only ‘camping’ scenario would be on a barrier island off North Carolina. I would be living in the vehicle and waiting on the ferry to take me back to the mainland. I would wait at the appointed time for the ferry at the dock. I could get a better idea what is up when/if they come to pick me up. No matter what time of year, there would at least be a few others out there also. We could discuss what each knows.
Next move depends on the ferry. If it comes, we would have a good idea exactly what is up. If things look good enough, take it back and head home or to another location. Perhaps one of the locals who was out there also. If it does not come the only way out is across the sound, 3 miles by boat. The vehicles are useless for travel.
The parking lot at the ferry dock is full of campers and a few smaller boats. Perhaps 30 mobile home type vehicles at any given time. Folks take them over and park them for the season. They walk on the ferry carrying gas and supplies to the island. Then they drive them up and down the island, park on the beach and fish. If there are others with me waiting at the ferry, we group-up and hunker down. I would have no choice but to band with them, regardless of who they are. It is the Red Neck Riveria there and never met anyone who wasn’t good folks. But I will go with the I am all alone out there scenario.
The park service has a dozen rough cabins out there, no utilities but they are shelter. I pick one and call it home. I can see the ferry dock from a couple of them so will have to keep an ear in that direction or an eye on it. I have no choice but to start hunting food. I would not break into any of the campers right off, I need to wait and make sure that is a necessity to life. I would scrounge all the cabins and the grounds. Lots of racoons, rabbits and such out there.. Lots of them. And lots of fish regardless of time of year.
Next? I wait it out. I would expect to have company if things are that bad on the mainland. All the locals go there to fish/camp/party. I would think some of them would be hightailing it out there to get away from the troubles. As above I would have no choice but to group up with whomever showed up. If the ferry shows up eventually, things are better and safe to possibly leave. If no one ever shows I would think times are REALLY bad on the mainland and plan an extended stay.
If I started breaking into campers I would expect at least a years supply of readymade food. Lots of canned goods, flour, spices and all. Extra fishing and camping gear and who knows. I would get a boat running. Not power but paddle, maybe a kayak or canoe in the sound. I could farm the sound for food and possibly take a trip across the sound, to see what was on the shore.
There would be enough generators and gas to charge my cell phone and I would have the 11 band crank/solar radio with me for news. I would make myself as comfortable as possible. As time goes on I would think I’d move into one of the mobile homes. Many have small wood stoves. Spend my days fishing, drying/smoking fish. Trapping coons, getting wood…
If no one ever showed up on the island I would wait to make a trip to the mainland. Most likely it would be a spring trip. Hunker down for the winter out there then take a boat across and see what I could find. Small village right across the sound and a larger city 12 or 15 miles down the sound. That would give enough time for the zombies to expire and the only folks left would be the strong wolves or survivalists. Maybe I wouldn’t go anywhere. Perhaps just a trip across to see if I could scrounge supplies.