I suggest a couple things, a small bag to keep your personall things like id and money (not much money), but make sure it stays near you or your people because it will disapear.

A second thing you can do is put it in your cooler. I usually have a small or large cooler it beer in it. put your money and ids in a small baggy and put it at the bottom of your cooler under the beer. That one is probably the best!!!!!!!! People actually respect the sanctaty of the beer cooler over someones personal bags. lol.

Last suggestion is hide them in your socks and then put your socks in your shoes to hide them!!!!!!

Hope that helped!!!