Welcome to Mercer Island Girl Scouts (Service Unit 430)
We are one of the many Service Units that make up Girl Scouts of Western Washington (GSWW.) We have nearly 25 troops with over 200 registered girls and volunteers. Troop levels range from K to 12th grade.

​Join us to discover the fun, friendship, and power of girls together.

NEWS

• Registration is now open for the South Bellevue Mercer Island (SBMI) Summer Camp: July 14-18, 2025. Visit here for more information and to register.  
• Thank you for joining us at the 2025 Spring Encamporee, April 4-6 at Camp River Ranch!