Tell the lifeguards that they aren't doing their jobs because you have seen at least 15 people drown today.
Ask people if they have seen your pet shark.
Sit in the baby pool and play with the toys. Take a flutter board and pretend you can't swim.
Ask an attractive lifeguard to practise CPR on you.
Sit in front of a water jet, make moaning sounds and say, "Oh yeah... oooh that feels soooo good...."
Sit on the top of the water slide and don't move.
Insist that you saw a monster at the bottom of the pool.
Ask a lifeguard if skinny-dipping is allowed.
Try to negotiate the price of getting in.
Take a really long time when you are on top of the high dive and then act as though you were pushed off.
When in line, ask strangers if they think invisble people get a discount.
Take your towel, tie it around your shoulders and say "Wheee! I'm Batman!" while running around.
Hit strangers with your wet towel.
Throw people's things into the pool.
Sing and dance on top of the dinving board, then do a belly-flop as your grande-finale.
Play Marco-Polo by yourself.
Ask small children if they have seen any suspicious-looking sea monsters lately.