American Airlines: Business Class Special New York - Caribbean

From 299 USD + tax each way (based on RT purchase).

Purchase Requirements:	Reservations are required. Tickets booked on AA.com must be purchased at least 45 days prior to departure or within 1 day of making reservations, whichever comes first.
Travel Period:	Fares are valid for outbound travel February 22, 2011, through February 21, 2012. All travel must be complete by March 21, 2012.
Embargo Dates:	Fares are not valid for travel to New York City February 25-27, 2011.

More information: American Airlines USA.