is any chance that you will enter the sea.
set up a sun shade. if you're all planning on having a picnic at the beach, you need to keep you and your drinks and food cool. use a cool box or chilly-bin to keep your food and drink cool and help avoid food poisoning.
bring a bucket and spade. sand is one of the most fun things to play with. you could make sandcastles, dig a tunnel or even just make a hole. don't bother if the beach is shingle or pebble.
you could bring a few water bottles to wash the sand off when you're done playing in the sand. stand on 