Who We Are
Welcome to the Rio del Mar Improvement Association!
Discover a community where your voice matters and your involvement makes a difference! The Rio del Mar Improvement Association (RDMIA) is a vibrant, non-profit neighborhood organization dedicated to enhancing the beauty and livability of Rio del Mar. Our dedicated members share a common goal: cultivating an inviting and thriving environment for all residents.
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Join Us in Shaping Our Future!​​
Since 1941, RDMIA members have been passionately committed to improving our community. We don't just talk about change; we initiate it, negotiating and advocating for enhancements that benefit everyone.
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We empower homeowners and renters through education, helping you make informed decisions that impact your quality of life.​​​​
Our Mission: Together, We Can Make a Difference
Our mission is simple yet powerful: we aim to transform the Rio del Mar neighborhood into an even better place to live, work, and play. We achieve this by.
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Advocating for Our Community
We represent the interests of Rio del Mar residents to local government, ensuring your voice is heard on the issues that matter most.
Fostering Connection
We prioritize communication and engagement among residents, creating a strong network of support and collaboration.
Enhancing Neighborhood Beauty
Our community beautification projects uplift our surroundings and foster pride in our shared space.
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Join us and be a part of something special! Your involvement is vital to our success, and we can’t wait to welcome you into our community.​
Become a Member Today
Ready to make a positive change in the Rio del Mar community? Signing up for membership is easy!
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You’ll receive notifications about upcoming projects and essential community updates as a member. Together, let’s enhance the beauty and spirit of our neighborhood.
​Engage with your community! ​​
Please participate in our biannual meetings to discuss critical local matters, and enjoy our informative quarterly newsletters packed with valuable insights and updates.
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Get Involved – Make a Difference
Join us a few times a year as we come together for beautification projects that leave a lasting impact on our neighborhood.
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Whether you want to lend a hand or connect with fellow residents, we welcome you with open arms.
Rio Del Mar Boundaries
The Rio Del Mar community boundaries are Aptos Creek, Hidden Beach, and Highway 1, encompassing approximately 3,000 residents.
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Board Of Directors
The RDMIA Board of Directors will meet on the 1st Wednesday evening of each month at the Aptos Fire Station on Soquel Drive. Meetings are open to the public. We encourage our members and fellow citizens to join us.
Director positions are open now, and we encourage your participation. If you want to become an RDMIA Director, please email us at info@rdmia.org.
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Click here to download a list of Past RDMIA Presidents
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The agenda and minutes for the board meeting are available upon request. The RDMIA bylaws are found here, and the original Articles of Incorporation from 1941(!) are found here.
Rio del Mar In the News
Explore the vibrant community spirit of Rio Del Mar through our newsletters, which offer insights into local projects, events, and initiatives. Stay informed about the latest developments in community beautification, traffic improvements, and environmental efforts.
Discover opportunities to volunteer, connect with neighbors, and contribute to the ongoing enhancement of our cherished coastal area. Each edition highlights the dedication of our members and the impact of their contributions, fostering a sense of pride and ownership in preserving the unique charm of Rio Del Mar.
Join us in celebrating our community's achievements and learn how you can get involved.
Rio Del Mar News Archives were discovered at the Aptos History Museum
The Aptos Chamber and History Museum gave us boxes of past newsletters last month. We LOVE what Ed Vautier wrote in the 1970 issue below:
“I can’t think of a better insurance than $1.00 per month dues to ensure that the Association keeps up the good work, and more importantly, your membership proves to volunteers and directors that you care enough to support their efforts – it indicates your appreciation and encourages them to work harder.”