Exhibit 24 - Power of Attorney of Directors POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned does hereby appoint and constitute James R. Joyce, Benjamin W. Heath and Timothy L. Largay and each of them as his agent and attorney-in-fact to execute in his name, place and stead (whether on behalf of the undersigned individually or as an officer or director of Coastal Caribbean Oils & Minerals Ltd. or otherwise) the Registration Statement on Form S-1 of Coastal Caribbean Oils & Minerals Ltd. respecting shares of common stock of Coastal Caribbean Oils & Minerals Ltd. to be offered to the stockholders thereof, and any and all amendments thereto and to file such Form S-1 and any such amendment thereto with the Securities and Exchange Commission. Each of the said attorneys shall have the power to act hereunder with or without the other. IN WITNESS WHEREOF, the undersigned have executed this instrument this 9th day of May 2000. By: /s/ Graham B. Collis By: /s/ Nicholas B. Dill Name: Graham B. Collis Name: Nicholas B. Dill By: /s/Benjamin W. Heath By: /s/ John D. Monroe Name: Benjamin W. Heath Name: John D. Monroe By: /s/ Philip W. Ware Name: Philip W. Ware