Looking at the II Directory for DVC Members, I don't see any II-affiliated resorts in Jamaica available to DVC Members.
Looking at the full II Resort Directory, there are five II-affiliated resorts in Jamaica, none of which, presumably, are up to Disney's standards for inclusion in the World Passport Collection. The Beaches Sandy Bay resort in Negril, Jamaica, is one of the five; the listing has the notation: "LIMITED EXCHANGE ACTIVITY, Upon purchase of all-inclusive upgrade."