Captain Morgan's is comprised of three seperate entities. The resort, the villas and the timeshares. Not going into detail, the villas listed for sale are not the timeshare units but rather the whole ownership condos, north of the timeshare pool (units A thru E).
The condos have been sold out by the developer and privately held, some are on the resale market. Thus, the focus on higher yielding timeshare sales.
Will the units be there for another 99 years is entirely different question.