Phish: Riviera Maya packages will go on sale to the public on April 10 at 1pm ET at phishrivieramaya.com. Legacy Alumni Pre-Sale (5+ Year alumni) begins April 9 at 11am ET. All Alumni Pre-sale begins April 9 at 1pm ET. A payment plan is available for all packages, an easy way to secure your spot in the sun and break up the cost into 8 monthly installments following an initial deposit.