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Coastal Confidence

$83M+

Career Sales

150+

Five-Star Reviews

2021 & 2024

Industry Awards

Marsha DeCosta Wiscasset, ME Real Estate Agent

Meet Marsha

Broker

Marsha DeCosta is a top-producing Real Estate Agent and lifelong resident of the Boothbay and Wiscasset areas, offering clients deep local insight and proven results across Midcoast Maine.
Client Success Stories

My husband and I are so happy that we chose Marsha to represent us as our buyer's agent. She's friendly, down to earth and knowledgeable. Her communication skills are top notch, responding to questions in a timely manner. She helped make our buying experience stress free!

— Theresa C.

Client Success Stories

Marsha was very helpful through the whole home buying experience. I knew nothing when I went to her and she helped me out from day one telling me what i needed to do from start to finish. Always answered all my questions and replied quickly no matter the time of day.

— Clarisa Lara

Client Success Stories

Marsha is very professional. She went above and beyond what was expected for the best interest of our family. Her work ethics are incredible. Our home was sold in 2 days. She is highly recommended by our family.

— Michael B.

How Much is Your Home Worth?

  • Instant property valuation
  • Expert advice
  • Sell for more

Let's Get Started

With a trusted network of industry experts—including photographers, stagers, lenders, inspectors, and title professionals—Marsha ensures every transaction is handled with precision and care from start to finish. Whether you’re buying your first home, searching for a coastal retreat, or ready to list your property, Marsha DeCosta is a REALTOR® who makes every client’s real estate experience seamless, informed, and rewarding.