According to Mousesavers.com
The Fun in the Sun pass, which is not available at the park gates, is good for unlimited admission for 30 consecutive days to the following:
the four major Walt Disney World theme parks
the Disney water parks
Pleasure Island
DisneyQuest
Disney's Wide World of Sports complex (sporting events requiring a separate admission charge are not included)
Kennedy Space Center Visitor Center
Salvador Dali Museum
Edison-Ford Winter Estates
Miami Seaquarium
Everglades Safari Park
The pass also includes one Character Breakfast voucher redeemable at selected Walt Disney World restaurants. It is a multi-day pass, so it includes access to the Disney transportation system.
So the answer is Yes!