Gulf of Mexico Marine and Coastal Resources Protection Act

Gulf of Mexico Marine and Coastal Resources Protection Act - Establishes the Gulf of Mexico Marine and Coastal Resources Commission to develop and report to the Congress on an Action Plan to reduce the loss of Louisiana coastal wetlands, returning such lands to a natural and productive state. Requires such Plan to address coastal wetland loss, including the sediment starvation of such wetlands an and analysis of: (1) the need for river water diversion, increased flow, or navigation locks or channels; (2) the feasibility of repairing such lands; and (3) the role of government programs in developing and implementing such Plan. Limits the Federal share of costs to 75 percent except where the Plan benefits a Federal wildlife refuge or lands, in which case the Federal share shall be 100 percent. Authorizes appropriations for FY 1989 through 1992.