Can I wear a wet suit on slides? No, wetsuits are not allowed on any of the slides however guests can wear a wetsuit in the pool areas (i.e. - Build-a-Raft River and LEGO Wave Pool). Was this article helpful? Related articles When is the best time to visit LEGOLAND Water Park? Are rash guards allowed? Are cotton shirts allowed on the slides? Can I wear swim attire in the LEGOLAND Park? Do Pass Members get discounts on locker rentals?