Go to MB or HB its much closer and you won't run into the megalopolis of homeless people that you will in SM
MB and HB will give you more access to beach front establishments too and isn't as geared toward the sucker tourist
take a cab at least on the way back. It will be a 10-15 minute ride and $25-30 beans
stay and extra day or two and catch the beatdown that USC gives ND at the coliseum on Saturday night of Thanksgiving weekend