To direct the Secretary of the Interior to conduct a special resource study of portions of the Los Angeles coastal area in the State of California to evaluate alternatives for protecting the resources of the coastal area, and for other purposes.

Santa Monica Mountains National Recreation Area Boundary Adjustment Study Act This bill directs the Department of the Interior to conduct a special resource study of the lands, waters, and interests of the coastline and specified areas adjacent to the Santa Monica Bay in California to evaluate a range of alternatives for protecting the study area's resources, including: expanding and redesignating the Santa Monica Mountains National Recreation Area as the "Santa Monica Mountains and Los Angeles Coast National Recreation Area," or creating a new coastal recreation area designated as the "Los Angeles Coast National Recreation Area."