• Carnival Cruise Lines
1-888-227-6482 or www.carnival.com Southern ports: Fort Lauderdale, Galveston, Jacksonville, New Orleans, Norfolk, Mobile, Miami, Port Canaveral, Tampa Fun fact: Not happy? Get off at the first non-U.S. port, and they'll refund your money and fly you back to your embarkation port.
• Costa Cruises
1-800-462-6782 or www.costacruises.com Southern ports: Fort Lauderdale, Miami Fun fact: Italian cruise line; trips end with a bacchanal parade and Roman toga party.
• Disney Cruise Line
1-888-325-2500; www.disneycruise.com Southern port: Port Canaveral
Fun fact: Outstanding children's programs; entertainment features "live" Disney characters
• Norwegian Cruise Line
1-800-327-7030; www.ncl.com Southern ports: Charleston, Houston, Miami, New Orleans Fun fact: Signature Chocoholic Buffet delights those with a sweet tooth.
• Royal Caribbean
1-800-327-6700; www.rccl.com Southern ports: Baltimore, Fort Lauderdale, Galveston, Tampa
Shipboard activities include rock climbing, miniature golf, and ice-skating.
ARTICLE BY Cassandra M. Vanhooser / Photography Meg Mckinney