SoundWave Cruise Promo Code 2020 Are you ready to party like you've never partied before?  Start planning now for the SoundWave Cruise 2020 and save money with your SoundWave Cruise Promo Code "NOCTURNALSD". Soundwave Cruise Promo Code is  "Nocturnalsd" Sail out from the Galveston Port on the Royal Caribbean Enchantment of the Seas to Cozumel and Costa Maya with some of the most amazing extreme boat parties and DJ's around.  This is a 5-day EDM…