The Open Space (OS) District preserves and enhances the Town's and Villages' open spaces and recreational areas by protecting these natural amenities and restricting development that does not respect these environmentally sensitive areas and does not conform to the Unified Comprehensive Plan. Open Space Districts are intended to apply to all publicly owned or accessible parks, squares, recreational areas, natural wildlife areas, the waterfront and cemeteries.
The following uses are permitted uses:
A. 
Publicly owned parks, squares, recreational areas, natural wildlife areas and other open areas.
B. 
Cemeteries, including associated facilities, such as mausoleums, columbariums, crematories and chapels, provided that no such structure shall be located within 50 feet of any residential district boundary line.
C. 
Botanical gardens, arboretums and conservatories.
D. 
Public marinas, boat launches, boat docks and fishing docks.
E. 
Outdoor recreational facilities, such as hiking and bicycle trails, greens and commons, sitting areas and picnic areas.
The following uses are specially permitted uses:
A. 
Active recreational facilities, such as ball fields, soccer fields and the like.
B. 
Band shells and outdoor theaters, not including drive-in theaters.
C. 
Boat rental.
D. 
Commercial facilities incidental to the operation of public recreational uses, such as refreshment stands, small concessionaire shops dispensing sporting goods, miniature golf and similar amusement and recreational facilities.
E. 
Cultural facilities, such as museums and observatories.
F. 
Golf courses, including par-three courses and driving ranges.
G. 
Lighting of all outdoor recreational activity areas for nighttime use.
H. 
Parking lots of 10 or more spaces.
I. 
Public recreation centers, including enclosed and semi-enclosed buildings.
J. 
Public schools.
K. 
Public utilities, subject to the additional requirements for specified uses in § 300-40.17.
L. 
Water collection, storage and distribution uses, such as reservoirs, tanks, dams, water treatment plants, pumping stations and drainage channels.
M. 
Zoos.
A. 
Lot requirements.
(1) 
Minimum lot frontage: not applicable.
(2) 
Minimum lot area: not applicable.
(3) 
Maximum building coverage: not applicable.
(4) 
Maximum lot coverage: not applicable.
B. 
Yard requirements.
(1) 
Minimum front yard setback: average front yard depth of building(s) along the block or 35 feet if no buildings are within 500 feet of the proposed building.
(2) 
Minimum side yard setback: not applicable unless adjacent to a residential district, in which case the side yard shall be the same as the required side yard setback in the residential district.
(3) 
Minimum rear yard setback: not applicable unless adjacent to a residential district, in which case the side yard shall be the same as the required rear yard setback in the residential district.
(4) 
Special setbacks: any area intended for concentrated outdoor activity shall be located at least 30 feet from any residential lot or district and shall be so screened as to provide visual privacy to such lot or district.
C. 
Building height.
(1) 
Maximum building height, principal use or structure: 25 feet.
(2) 
Maximum building height, detached accessory use or structure: 15 feet.