"Islands have limited supplies like Anthony O'Neil mentioned before and no way to get medical treatment if you somehow get a serious injury unless you bring a first aid kit. Also, since zombies can survive underwater, an ocean or lake…"
"If zombies were trying to get in, then noise would be the very least of our concerns. As for how long it would take, it depends on what you're using. But I would suggest destroying the stairs at the first sign of a class 2 or higher zombie…"
"Someplace with not a lot of windows(less ways for a zombie to get in.) strong doors, close to a supermarket or hardware store for supplies,maybe a second floor so we can destroy the staircase in case zombies somehow get in and we want to keep them…"