Also, be aware that the card is only good for fountain sodas, not cans .
"A truly happy person is one who can enjoy the scenery on a detour."
Carnival Inspiration 2002 Carnival Elation 2004
Grand Princess 2004 NCL Sun 2005
Sun Princess 2006 NCL Dream 2007
Caribbean Princess 2007 NCL Dawn 2008
Island Princess 2008 Island Princess 2009
Golden Princess 2009 Carnival Conquest 2010
Grand Princess 2010 Island Princess 2011
Grand Princess 2011 Carnival Magic 2012
Carnival Dream 2012 Island Princess 2013
It is 6 dollars a day for adult and yes it is only for fountain drinks usually. Occasionally you will be served a glass of ice and a can drink though.
Disney Wonder 04/02
Carnival Pride 12/02
Mariner of the Seas 03/04
Carnival Celebration 03/06
Carnival Fantasy 12/06
Carnival Fantasy 04/07
Carnival Glory 10/07
Carnival Fantasy Jan 2008
Carnival Fascination Oct 2008
Carnival Holiday April 2009
Carnival Dream Dec 2009
Carnival Triumph Jan 2010
Carnival Dream May 2010
Carnival Elation Jan 2011
Carnival Triumph May 2011
Carnival Fascination Feb 2012
Carnival Conquest 12/09/12
Location: Originally from NY but now live in Baltimore, MD
Try to wait until the ship leaves the dock and is out in the ocean- you will not have to pay tax.
The soda card is also good for juices normally at the bar (cranberry, pineapple, etc) on some ships they do give you cans of soda- unfortunately they give pop one open and pour it into a glass full of ice, so you are not really getting a full can. No big deal since you can have as many as you want... but keep this in mind if you will be getting the other half of the can. May be not as bubbly...
When you buy soda without the card- they give you the whole can.