Cruise.com via ShermansCruise offers a Disney Cruise Line 4-Night Caribbean Cruise for two with prices starting from $1,216. (On the ShermansCruise landing page, scroll to the bottom and click "Book Now" next to the January 30 sailing date; we found lower rates during booking.) That's the lowest price we could find for this cruise by $114. This roundtrip cruise aboard the Disney Magic departs from Miami, FL, on January 30. Book this travel deal by January 29.