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Seattle-Sihanoukville Sister City Association
United in Our Differences

Since 1995 the Seattle-Sihanoukville Sister City Association (Sea-Sih) has been promoting awareness and understanding of the city of Sihanoukville (Kompong Som) and Cambodia. The association’s ongoing mission is to develop programs that strengthen cultural, educational, healthcare, and commercial ties between the people of greater Seattle and Sihanoukville.


One of 3 project sites where VOSH NW and Sea-Sih provided Vision Care & prescription free of charge.
2012 "Don't Rush the Brush" Project
Sea-Sih built an entire library and technology center in Sihanoukville High School.
Friendship Rural School Project. Sea-Sih funded the building of an elementary school in Kompong Som province.
Project Gallery
Remembering the Past & Welcoming the Future: 40 Years Since the Killing Fields

Please join us for an event commemorating the people who were victims of a great tragedy that took place 40 years ago. ​Come and hear their stories as they share their experience and hope for the future.

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Featured Sponsor
20th Anniversary Gala 

Sea-Sih invites you to our Annual Gala - now celebrating 20 years of global community services in education, healthcare, and cultural & trade exchanges. 

See event details & tickets >