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Sheriff's Home Page Marine Patrol Unit




Unit Supervisor
Sgt. John McMillan

Cpl. Rick Pitt

Marine Deputy
Wade Hilliard
Marine Deputy
Kyle Tucker





The Grant County Marine Unit is active all year patrolling the waters of Grant County. The Marine Unit routinely responds to boaters and persons in distress on the waters of Grant County. The Marine Deputies are specially trained in the following areas:

  • Close Quarters and Open Water Boat Handling

  • Marine Law Enforcement and Education

  • Basic/Advanced Boat Collision Investigation

  • Instructors in Boating Safety: Boating Education, Close Quarters and Open Water Boat Handling, Marine Law Enforcement Boat Operation, PWC Operation

  • Personal Watercraft Operation - Flat Water and Swift Water


The experience and training of the Marine Unit provides a valuable 24 hour service to the citizens of Grant County and to those that visit the waters of Grant County.


The Marine Unit patrols the waters of Grant County to promote boating safety and to enforce Grant County Ordinance 6.08 and Washington State Boating Laws RCW 79a.60.


Please do your part and take a boating safety class.


For boating classes being offered in your area go to here.


Required equipment for vessels


Shallow Water Maps

Blue Lake

Park Lake

Columbia River - Vantage

Columbia River - Crescent Bar

Potholes (O'Sullivan Reservoir)



The Grant County Marine Unit wishes you safe and enjoyable boating wherever you choose to boat. Please know the water that you choose to boat on; boating is at your own risk. Contact the jurisdiction that you’re going to boat in for possible hidden hazards on bodies of water.


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