May is the beginning of the off-season for cruises from Miami. Not to worry though, there are ships available for your vacation fun. See the complete calendar of Miami cruises in May of 2014.
Disney Cruise Line has a 15-day Panama Canal cruise departing May 2. It is a one-way voyage from Miami to San Diego.
The Carnival Breeze alternates 6-day Western Caribbean cruises with 8-day Southern Caribbean cruises.
The MSC Divina offers 7-night Eastern Caribbean cruises. MSC is an Italian cruise line.