Secretz:

There is a in the northwest corner of the area enclosed on three sidez by z, with several z and z inside changing statez. Two spacez south of it is the SecretTeleporterTrigger. The Red Warp openz at the original space, and takez you to the pool of water, where you will pick up two Coinz and two Beach Ballz.
Located within the area enclosed on three sidez by z, with several z and z inside changing statez. A stairway will be created allowing a Grunt to pick up the Warp letter W.