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Building Community on Marrowstone Island Connecting Island residents with education support and events since 1950 Building Community on Marrowstone Island Connecting Island residents with education support and events since 1950 About the Marrowstone Island Community Association MICA MICA was established in 1950 to provide a common meeting place for residents and land owners on Marrowstone Island WA and to serve as a forum for education and information about our island. MICA is dedicated to fostering a strong sense of community and supporting the diverse needs of our island residents. Programs Events for 2025 Our Programs Our Programs Coming Up. Our Programs MICA BiMonthly Meeting May 20 2025 MICA BiMonthly Meeting May 20 2025 Join Us In Person.