Carlsbad Oaks Preserve in Carlsbad's Poinsettia district protects a corridor of Coast Live Oak Woodland, Coastal Scrub, and Mixed Chaparral habitat along El Fuerte Street in the 92010 ZIP code. The Center for Natural Lands Management established the preserve in 2007 under conservation easements from the Carlsbad Oaks North Business Park development, managing it as part of the same citywide habitat system that includes Lake Calavera Preserve. A single public trail runs approximately one mile from the El Fuerte Street trailhead east to Lionshead Avenue, passing through California Annual and Perennial Grassland that supports the federally listed coastal California gnatcatcher. Ongoing management prioritizes invasive species removal and population monitoring for San Diego thornmint, thread-leaved brodiaea, and Del Mar manzanita, with conservation science coordination shared among Carlsbad's habitat stewards including ECOLIFE Conservation. The preserve's easements protect four state- and federally listed sensitive species within habitat corridors connecting to the 473-acre Carlsbad Highlands Ecological Reserve designated by the California Fish and Game Commission in 2000.