- Sequim is a city located in Clallam County, Washington, United States. It is situated on the Olympic Peninsula, about 70 miles northwest of Seattle. Sequim is known for its mild climate, with less rainfall than the rest of western Washington, making it a popular destination for outdoor activities such as hiking, biking, and golfing. The city also boasts a vibrant arts and culture scene, with numerous galleries, theaters, and festivals throughout the year. Sequim's economy is primarily based on agriculture, particularly the cultivation of lavender, as well as tourism and retirement communities. Overall, Sequim is a peaceful and scenic city with a strong sense of community and a high quality of life.