Cal. Pub. Res. Code § 6870
(b) As used in this section, the Santa Barbara Channel is the area described as follows:
Beginning at the point of intersection of the ordinary high-water mark of the Pacific Ocean with the westerly point of Point Conception; thence in a generally easterly and southeasterly direction along said ordinary high-water mark to the westerly point of Point Mugu; thence in a generally southwesterly direction to the southwest tip of Anacapa Island; thence along the inland sides of Anacapa, Santa Cruz, Santa Rosa and San Miguel Islands to the most westerly part of San Miguel Island; thence in a northerly direction to the point of beginning; excluding the area described in subdivision (b) of Section 6871.2.