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MarinMap is a group of local governments, special districts and other public agencies that have joined together to create a Geographic Information System (GIS). MarinMap agencies work together to improve public service and each other's business processes, as well as provide a forum for group decision making. Learn more...
What you can do:

  • Interact with GIS maps
  • Download GIS Data
  • Watch videos to learn GIS applications
  • Additional Services
    What's New - Announcements
    MMWD Easement Data is available - Monday, April 24, 2017
    Find the Easement layer under the Utilities group in the layer list.  Contact  Marin Municipal Water for details. 
    MarinMap publishes new hydrology content - Friday, February 24, 2017
    MarinMap’s GIS applications will now show new hydrology content from the local version of the National Hydrography Dataset (NHD) and Watershed Boundary Dataset.
     read more ...
    Video tutorials - Wednesday, December 09, 2015
    Video tutorials show how to use our map applications.