Update (Oct. 12, 9:00 a.m. PT): Due to the popularity of this deal the $912 price is now sold out. Depart on Jan. 12 and Jan. 26 for $942 per adult for an oceanview cabin with up to two kids sail free. Sailings on Feb. 23 and Feb. 9 are $78 and $180 more per adult.

Glide through the Caribbean for six nights on Disney Cruise Line's Magic -- named the Top Mega Ship in Conde Nast Traveler's readers' poll -- for $912 per adult in an oceanview cabin.

Best of all, up to two kids (17 and under) sail for free, making the effective rate $456 per person for a family of four.

All reservations also receive a $50 onboard credit (per cabin).

The ship departs on Jan. 12 and Jan. 26, and sails roundtrip from Galveston, Texas, located 50 miles south of Houston. Additional departures on Feb. 23 and Feb. 9 are $108 and $180 more per adult, respectively. Balcony and inside cabins are also discounted.

With this itinerary, explore the beaches of Grand Cayman and Cozumel. Disney Magic highlights include: a state-of-the-art, jumbo poolside screen for Disney movie viewing; the only fireworks display at sea; character encounters; and adults-only spaces, including a quiet pool and an elegant restaurant.

This is part of a larger Disney cruise sale that includes eight-night sailings.

Note: Taxes are an additional $51.28 per person.