A bill to amend title III of the Marine Protection, Research, and Sanctuaries Act of 1972.

[AI summary unavailable — showing source text] Amends the Marine Protection, Research, and Sanctuaries Act of 1972 to substitute a new title III (National Marine Sanctuaries) for the existing title III. Specifies congressional intent to authorize a program that: (1) establishes a system of marine sanctuaries by identifying marine environments of special significance due to their conservational, recreational, ecological, historical, educational, or esthetic value; (2) provides comprehensive area management complementing existing authorities; (3) supports scientific research and enhances public appreciation of such areas; and (4) facilitates public and private uses of such areas compatible with the primary objective of resource protection. Defines "marine environment" to mean: (1) the ocean waters and the continental shelf over which the United States asserts resource jurisdiction; and (2) the great Lakes and their connecting waters. Authorizes the Secretary of Commerce, upon the approval of the President, to designate an area as a national marine sanctuary if such designation fulfills the policies of this title and: (1) such area's resource or use values give it special national significance; (2) existing State and Federal autho…