As part of its “One More Disney Day” promotion, Walt Disney World is offering an extra day and night free with 3-night/3-day (or longer) vacation packages. The offer is valid for arrivals on most nights between February 26 and March 10, 2012, and bookings must be made by January 31, 2012.
The offer is only valid for non-discounted packages, and at certain resort hotels. Full details can be found on the Walt Disney World website.