Update (10:45 am PT, March 22): This sale has been extended for bookings through March 26. Due to the popularity of this deal, the Oct. 26; Nov. 9, 16 and 30 balcony cabins for Celebrity Summit are now sold out. 

Sip on unlimited cocktails while cruising the Caribbean in a balcony cabin for $699 per person. This deal on Celebrity Cruises -- named one of the top cruise lines in the world by the readers of Conde Nast Traveler -- slashes $375 per person off current rates.

Book by Friday and get a beverage package for two including unlimited beer, wine, soda and cocktails (a $616 value) and prepaid gratuities (a $210 value).

Here are some of the best seven-night Caribbean deals on balcony cabins:

• Roundtrip San Juan on the Celebrity Summit … $699 per person
  Depart Nov. 30; +$25 Oct. 26; Nov. 2, 9, 16; Dec. 14; Jan. 4, 18

• Roundtrip Miami on the Celebrity Reflection … $874 per person
  Depart Dec. 14; +$50 Jan. 4, 11, 18, 25; March 29

• Roundtrip Fort Lauderdale on the Celebrity Silhouette … $924 per person
  Depart Jan. 5, 19; March 30

The itineraries vary by departure date, but possible ports of call include St. Croix, St. Thomas, St. Maarten and Grand Cayman.

Click here for more information, including detailed itineraries and other Celebrity cruises on sale with itineraries worldwide that come with similar extras.

Note: Taxes are an additional $97-$143 per person depending on itinerary.