Cal. Harb. & Nav. Code § 7151

The district may join with the United States or any department or agency thereof, the State or any department or agency thereof, any county, city and county, city, district or other public or private corporation, or one or more or any other combination of the foregoing, for the purpose of carrying out any of the powers of the district, including, without limitation, provisions for the financing of acquisitions, constructions, developments and operations.