Find the public facilities beneath Indiana from the beach-level promenade. Start at the southern toilet entrance and follow the signs along the building frontage.
You'll find the free public toilets, showers and change rooms underneath Indiana, entered from the beach-level promenade. Look along the frontage for the signs, as the entrances are in different parts of the building.There is no need to go through the restaurant upstairs. Rinse off the sand, change into something dry and you are ready for a village wander, lunch or the train home.