Secrets?

Below is a ciphered text, created with a pretty good algorithm. No, the Enigma Cipher Machine was not used for this. 😉

The secret message:

5CPEvlvA9kzNvkYRLAlOwnRrUo3wHvyf

If you are able to decipher it, let me know. You may win a trip to Gilligan’s Island. Whoa!