1 The EU supports aid for the Caribbean countries to trade. 2  Antigua and Barbuda, Belize, Dominica, Grenada, Guyana, Jamaica, Saint Lucia, Saint Vincent and the Grenadines, Saint Kitts and Nevis, Surinam, Trinidad and Tobago, and the Dominican Republic are members of the WTO. 3  Bahamas has observer status in the WTO.aribbean. The EU's trade and development partnership with the Caribbean stretches back over more than 30 years. At its heart today is the CARIFORUM-EU Economic Partnership Agreement, or. . This is a new partnership which CARIFORUM-a group of 15 Caribbean countries-and the EU signed in 2008.