And another...this time for a zombie (?) apocalypse film. I put the question mark in there about zombie because I'm not exactly sure if they really are zombies or perhaps something else similar. Anyway, I think it's probably an American film from around 2000-2010, it features the main characters running out of petrol/gas and having to walk some distance. They find some kind of holiday/vacation resort complex in the middle of a desert (?) and they survive there for a while, but I think they accidentally alert some of the zombies and have to move on. I also think a beach house might feature somehow.
Not a lot to go on, but hopefully it rings a bell for someone. Thanks for any help.