The Port of Royal Slope welcomes you to our website. We have spent several years developing a great infrastructure to attract and expand a wide variety of businesses and tourists. Located in Grant County, Washington, we are minutes away from Interstate 90, which gives us excellent access throughout our state and beyond.

Our success revolves around our community and the support we receive to help expand and enhance our local economy. We encourage economic diversity with a mixed-use development of our property. Many lots are still available and are "ready to go." Come grow with us!
Railroad Info



Mouth-watering vegetables, crisp apples, creamy dairy products, fine wine and succulent beef are some of Central Washington's best food products. Our products are known worldwide for their quality, variety, and year-round availability. Combined with state of the art food processing,

world-class transportation and port facilities, Our area is an agricultural powerhouse. Click here for more...


Ready For Business!

Low power rates
Paved road access
Located in Foreign Trade Zone - Sub-Zone
Potable water & fire flow protection on site
Low water rates

Lot sizes range from 3 to 23 acres

Room for growth
415 acres adjacent to industrial park
Property is zoned light to heavy industrial
Land for Sale or Lease
Centrally Located in Washington State
Minutes from I-90
Rail service coming soon
Fiber Optics Available
Immediate Possession of Property Possible
Rural Area Tax Incentives

35 minutes from Grant County International Airport