Is it necessary to wear swimwear or a raincoat?

It is recommended to bring a swimsuit or quick-drying suit.
It is recommended to prepare a swimsuit or quick-drying suit

No need, there is no large indoor place to play in the water
No need, just wear normal clothes
It is recommended to bring a swimsuit or quick-drying suit.
It is recommended to prepare a swimsuit or quick-drying suit

No need, there is no large indoor place to play in the water
No need, just wear normal clothes