The I-1 district is a low-density district that allows light industry that conforms to established performance standards. Commercial uses are also allowed. In industrial district I-1, land and structures may only be used for:
(a) PRINCIPAL PERMITTED USES
(1) Any principal use allowed in C-2, but not including residential use.
(2) Wholesale business, storage, and warehousing.
(3) Vehicle sales, service, and washing.
(4) Animal sales.
(5) Truck terminal.
(6) Public and private utility.
(7) Non-vehicular repair and maintenance service
(b) ACCESSORY USES
(1) Uses and structures that are customary and clearly incidental to the principal use.
(2) Residence of watchman, custodian, or caretaker employed on premises.
(c) SPECIAL PERMIT USES
(1) Marina, with sale of fuel.
(2) Parking garage or lot.
(3) Service station.
(4) Light manufacturing.
(5) Residential use existing at the time of the effective date of this ordinance shall be automatically granted a permit to continue as allowed specially permitted uses.