The purpose of the O-1 Open Space District is to enhance the quality of life in the community by preserving open space lands purchased by Grosse Ile Township through the open space millage.

It is the further intent of this district that these public open space lands be preserved for the enjoyment and benefit of all residents of the Township, to be used as nature preserves and passive recreation areas. This district is intended to preserve these natural areas for the enjoyment of Township residents, provide buffers between development and ecologically sensitive areas, maintain the ecological functions of natural waterways and drainage networks, preserve natural habitat and the islands' ability to support wildlife and preserve the Township's forested areas and overall natural character.

Outdoor recreation activities which do not cause excessive noise or impact on the environment, including but not limited to nature study, hiking and horseback riding, fishing and cross-country skiing;

Forest preserves and natural areas;

Conservation of soil, vegetation, water, fish and wildlife; and

On-site driveways and roads where alternative means of access are proven to be impractical.