The Narrabeen Lagoon State Park Advisory Committee acts in an advisory role to the Narrabeen Lagoon State Park Trust (NLSPT) which is managed by Northern Beaches Council.
Membership of the Committee includes representatives from Council, NSW Crown Lands, NSW Office of Environment and Heritage (National Parks), NSW Dept Primary Industries (Fisheries) and the Metropolitan Aboriginal Land Council. There are also four community members, representing environment, recreation, business and the general community.