California Code, Harbors and Navigation Code - HNC § 6075

(a) A harbor district may acquire, construct, own, operate, control, or develop any and all harbor works or facilities within the limits of its established boundaries. No interest in lands may be acquired, either by lease, purchase, or the exercise of the power of eminent domain within any port district, chartered port, harbor improvement district, incorporated city, or recreational harbor district without the prior consent to the acquisition by resolution of the governing body of each district, port, or city in which the lands are located.

(b) Notwithstanding subdivision (a), a harbor district that does not operate on tide and submerged lands that have been granted by legislative enactment may acquire, construct, own, operate, control, or develop any and all harbor works or facilities within or outside the boundaries of the district. No interest in lands may be acquired, either by lease, purchase, or the exercise of the power of eminent domain within any port district, chartered port, harbor improvement district, incorporated city, county, or recreational harbor district without the prior consent to the acquisition by resolution of the governing body of the district, port, city, or county in which the lands are located.