Coronavirus (COVID-19) Notice
Although most refuge lands and outdoor spaces have remained open for the public to enjoy, we ask that you do the following:

  • Check local conditions on this website and call ahead for current information. Operations vary based on local public health conditions.
  • Face masks are required in all federal buildings and on all federal lands.
  • Maintain a safe distance between yourself and other groups.
  • Wash your hands often with soap and water for at least 20 seconds
  • Avoid touching your eyes, nose and mouth
  • Cover your mouth and nose when you cough or sneeze
  • Most importantly, stay home if you feel sick

Public Use Information

Commercial Tour Special Use Permit Application

Refuge Seeks Plum Island Commercial Operators for the 2021 Season - The U.S. Fish and Wildlife Service is announcing the opening of the Commercial Special Use Permit Application period for commercial boat operators to transport and guide the public at the Plum Island Unit of Green Bay National Wildlife Refuge. Commercial Special Use Permit Applications must be received by email by 4:00 P.M. on Thursday, December 31st. Completed and signed permit applications must be e-mailed to The refuge will consider all applicants who apply and meet the general eligibility requirements. Operator schedules will be determined after refuge staff evaluate the number of eligible tour operators. General eligibility requirements include proof of insurance coverage, U.S. Coast Guard Operator of Uninspected Passenger Vessels (OUPV) License, State of WI business license, State of WI boat registration, current CPR/First Aid training, and suitability of mooring in designated dock location. For more information, and a link to the Commercial Special Use Permit Application Form and the 2021 Application Instructions, see “Permits” link below. Contact: Dave Bolin, Assistant Refuge Manager.(920) 948-4293

Location & Hours

Location & Hours

Green Bay National Wildlife Refuge consists of Hog Island, Plum Island, Pilot Island St. Martin Island, and Rocky Island. The islands are located in Lake Michigan, near Washington Island, off the tip of Wisconsin's Door County Peninsula. The refuge is managed by staff at the Horicon National Wildlife Refuge Complex in Mayville, WI. Contact 920-387-2658 or Plum Island is open to public use Memorial Day weekend - Labor Day weekend.

Plan Your Visit

About the Complex

Horicon Leopold Complex

Green Bay National Wildlife Refuge is managed as part of the Horicon Leopold Complex.

Read more about the complex
About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS