Ivan affected many islands in the Caribbean including: Barbados, Cuba, Cayman Islands, Dominican Republic, Grenada, Jamaica, and Trinidad & Tobago. In the Caribbean, Ivan caused about $3 billion in damage. But the damage in Dominican Republic is unknown. The most damage was to the Cayman Islands, Cuba, and Grenada. $3.5 billion in damage in Cayman Islands, $1.2 billion in Cuba, and $1.1 billion in Grenada. 