Critics point to other pitfalls, including a threat to the environment. Several studies show there is elkhorn and staghorn coral at the mouth of a bay where proposals call for a new port that would make shipping easier for Caracol's tenants.
Haiti's government will ultimately decide where, and even if, a port is built. For now, the Manzanillo port in the neighboring Dominican Republic is being used, and it could remain the port if Haiti decides not to build one.
Associated Press writer Josh Lederman contributed to this report from Caracol, Haiti.