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Seaport Medspa Expands to Brookline: A Full-Circle Moment

Seaport Medspa - Brookline Nurse Practitioners

Seaport Medspa is proud to announce the opening of its newest location in the heart of Washington Square at 1618 Beacon Street, Brookline, MA 02446 just steps from the Green Line. Surrounded by a community of like-minded wellness and lifestyle brands including barre3 and Wellness in Motion, our Brookline space continues our commitment to bringing advanced aesthetic medicine to neighborhoods across Greater Boston.


A Personal Connection to Brookline


For Co-Founder and Nurse Practitioner Marielle Benayun, opening in Brookline carries deep personal meaning.


“I grew up in Brookline, and my grandmother owned a salon and spa on this same block in the 1980s. To now be opening Seaport Medspa here—just steps from where she worked—feels like a full-circle moment,” shares Benayun.


This expansion represents not only Seaport Medspa’s growth but also a return to the roots of where Marielle’s passion for aesthetics and patient care began.


Consistency Across Every Location


Like all Seaport Medspa locations, Brookline is staffed exclusively by our highly trained aesthetic medical providers—the same expert team trusted by patients in South Boston, the North End, and the Seaport District.


Every treatment, product, and device offered in Brookline meets the same elevated standards our patients have come to expect. Services include:



A Thoughtfully Designed Space


Our Brookline space was designed to feel personal and connected—a calm, one-on-one environment that prioritizes the relationship between provider and patient. Though smaller in scale than some of our other locations, it reflects Seaport Medspa’s signature attention to detail and eco-luxury aesthetic.


Located within a newly developed Concept Properties building, the space blends modern design with the timeless charm that defines Washington Square. Ample parking is available along Beacon Street, and the location is easily accessible via the Green Line, making it convenient for both new and existing patients.


Unified Booking and Patient Experience


To ensure a seamless experience, our booking systems, text lines, and contact information remain the same across all Seaport Medspa locations. Patients can continue using their preferred contact methods and online booking links when scheduling at Brookline.


A Shared Vision for Growth


“Our goal is to grow thoughtfully—creating new locations that uphold the same quality, culture, and patient experience that define Seaport Medspa,” says Co-Founder and Nurse Practitioner Elizabeth O’Neil. “Brookline allows us to bring that experience closer to patients in another incredible Boston neighborhood.”


Independently Owned and Operated


Seaport Medspa remains independently owned and operated by its founders, Marielle Benayun and Elizabeth O’Neil. Each new location is an extension of their shared vision—to provide safe, ethical, and exceptional aesthetic care through a consistent team and approach.

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