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Darcy specialises in helping clients navigate the unique world of urban living including strata title properties with clarity, confidence, and ease. 

With years of experience in residential sales, Darcy knows how to break down complex situations, regulations, and processes into something simple and manageable. Whether you're selling your first apartment or a strata-titled townhouse, realising an investment or selling your family's home, he guides you every step of the way from preparation to settlement. 

Living in Subiaco and based out of the Leederville office, Darcy is deeply immersed in the vibrant, urban lifestyle his clients are looking for. He doesn’t just sell the city, he lives it. From villas to low-maintenance townhouses and apartments, Darcy understands the appeal of smart design, walkability, convenience, and a sense of community. He knows how to highlight the lifestyle benefits that matter most to urban buyers and how to market those features effectively. 

Clients value Darcy’s calm, down-to-earth nature, his work ethic, and his ability to translate complex information into practical advice. He takes the time to listen and tailor his approach to each individual. 

Dave Seah was born in Singapore and came to WA in 2011 where he graduated from UWA with a Commerce Degree in Accounting & Finance. He was introduced into Real estate in 2012 and joined the Realmark North Coastal team in 2018 with over 5 years’ experience in the industry.
He specialises in Greenwood, Warwick and surrounds where his hard work and dedication has made him a local favourite. You can find him every Wednesday between 9.30am and 10.30am at 5 Points Cafe in Greenwood. Drop by to say hi for a free coffee and a chat about your real estate needs.

With over 15 years of experience buying and selling properties along the north coast, Mandie brings a wealth of knowledge and expertise to the table. But what truly sets her apart is her unwavering commitment to her clients' success. Mandie doesn't just facilitate transactions; she invests herself wholeheartedly in ensuring that her clients achieve their goals. Her remarkable ability to simplify complex concepts ensures that clients feel informed and empowered every step of the way. Mandie's professionalism isn't just a quality; it's her defining characteristic, distinguishing her in the competitive real estate landscape. With Mandie at the helm, navigating the real estate market becomes not just manageable, but truly exceptional.

“Mandie is the ultimate professional. this is my second experience with Mandie and the experience was even more amazing. Her attention to detail and ability to impart her knowledge of the market helped us get the sale price I wanted. Her transparency and honesty paired with her professional manner gains trust, and you know that she works above and beyond to get your house sold. Thank you for explaining everything in terms I understood, your knowledge of the market and professional manner was exceptional!” Vicki

“Mandie’s market knowledge was exceptional. Mandie kept us updated throughout the entire process and delivered exceptional results making selling our home a seamless experience. Mandie worked hard with us to achieve the best possible sales result. She guided us all the way from getting out property ready for the market to its quick, painless sale we would highly recommend Mandie and will certainly be using her again best agent we have ever worked with” David and Alice

With over 15 years of experience buying and selling properties along the north coast, Mandie brings a wealth of knowledge and expertise to the table. But what truly sets her apart is her unwavering commitment to her clients' success. Mandie doesn't just facilitate transactions; she invests herself wholeheartedly in ensuring that her clients achieve their goals. Her remarkable ability to simplify complex concepts ensures that clients feel informed and empowered every step of the way. Mandie's professionalism isn't just a quality; it's her defining characteristic, distinguishing her in the competitive real estate landscape. With Mandie at the helm, navigating the real estate market becomes not just manageable, but truly exceptional.

“Mandie is the ultimate professional. this is my second experience with Mandie and the experience was even more amazing. Her attention to detail and ability to impart her knowledge of the market helped us get the sale price I wanted. Her transparency and honesty paired with her professional manner gains trust, and you know that she works above and beyond to get your house sold. Thank you for explaining everything in terms I understood, your knowledge of the market and professional manner was exceptional!” Vicki

“Mandie’s market knowledge was exceptional. Mandie kept us updated throughout the entire process and delivered exceptional results making selling our home a seamless experience. Mandie worked hard with us to achieve the best possible sales result. She guided us all the way from getting out property ready for the market to its quick, painless sale we would highly recommend Mandie and will certainly be using her again best agent we have ever worked with” David and Alice

Adam's unwavering commitment to dispelling the perception that real estate transactions are stressful, shines through in his genuine dedication to helping his clients transition smoothly to the next phase of their lives, consistently yielding nothing but gratifying outcomes.

By melding his highly lauded negotiation skills with a warm and personable approach, Adam's track record of success speaks volumes.  

Drawing upon his extensive knowledge of the construction industry, Adam formulates potent marketing strategies, leaving no room for imperfections in the management of each campaign, from inception to conclusion.  

Adam's unyielding resolve to surpass expectations results in the cultivation of enduring client relationships, firmly grounded in trust and loyalty.

His passion and enthusiasm for all facets of real estate, whether crafting effective marketing strategies, locating buyers, or skillfully negotiating sales, ensure that each campaign is executed with flawless precision from start to finish.

With over a decade of experience in the commercial real estate industry, Alex has firmly established himself as a trusted and reliable professional since embarking on his journey in July 2012.

He commenced his career as a Commercial & Industrial Property Sales and Leasing Consultant at a local Midland real estate agency, where his dedication to service excellence and unwavering commitment to customer satisfaction quickly earned him a strong reputation.  

In 2018, Alex joined Realmark Commercial as a Commercial Sales & Leasing consultant. Focused on the Perth East-Metro and surrounding industrial areas, having grown up in the Perth Hills himself, he has a genuine passion for supporting local businesses and investors in achieving their goals.  

Throughout his professional journey, Alex has continuously honed his skills in negotiation, property marketing, and effective communication. With an unwavering dedication to delivering the highest standard of service, he ensures that every interaction and transaction is handled with professionalism and care.  

Alex has climbed the ranks at Realmark Commercial and now holds the position of Senior Sales and Leasing Associate. One of Alex's greatest strengths lies in his intimate understanding of the local real estate landscape.

Through years of experience and a keen awareness of the key factors influencing decision-making processes, he offers invaluable insights that empower his clients to make informed and strategic real estate choices.  

Beyond his professional achievements, Alex is driven by a larger mission: to reshape the public perception of the real estate industry.

As a member of the new generation of real estate professionals, he is dedicated to promoting transparency, ethics, and trustworthiness.

By upholding these values in every interaction and transaction, Alex seeks to elevate the industry's standards and foster stronger relationships with his clients.  

With his extensive industry experience, passion for property, and local expertise, Alex stands as the ideal partner to confidently navigate your real estate needs.

With Alex by your side, you can embark on your real estate journey with confidence, knowing that you have a trusted advisor who will champion your interests and deliver exceptional results each step of the way.  

Simon is the Owner and Selling Director at Realmark Mandurah, where his deep-rooted passion for real estate and decades of expertise in the Mandurah property market drive results. Known for his commitment to both clients and the community, Simon pairs his local insights with a strategic, customer-focused approach to deliver exceptional sales outcomes across Mandurah and surrounding areas.

Having called Mandurah home and working in real estate in the area for over 20 years, Simon’s deep understanding of the local market gives him—and his clients—a competitive advantage. He specializes in helping homeowners achieve premium sale prices by leveraging his in-depth market knowledge and innovative selling strategies.

Simon’s dedication and achievements have been recognized with multiple industry awards from Realmark and the Real Estate Institute of WA, including the Medium Residential Agency of the Year and a Community Service Award.

Simon is more than a real estate leader; he's a cornerstone of the local community. A proud sponsor of the Halls Head Junior Football and Netball Club, Simon also plays a hands-on role in shaping future generations through his coaching of junior girls’ AFLW teams.

Additionally, as a committee member for the Mandurah Board Riders Club for over a decade—and its President for the past five years—he’s a dedicated advocate for the local surf community.

Simon’s commitment to preserving Mandurah’s natural beauty is further reflected in his membership on the Coastal Community Reference Group for the Southern Beaches CHRMP, focusing on sustainable coastal management.

Outside of work, Simon is a devoted family man, raising three children with his wife in Mandurah. For him, helping families find the right property or secure the best investment is not just work—it’s a personal mission rooted in the love for his hometown.
To discuss your property ambitions, reach out to Simon directly on 0407 072 442 and experience a fresh perspective on Mandurah real estate.

As an esteemed Business Development Manager, having moved from the outskirts of Belfast in 2004 Colleen now lives along the coast and has long specialised in the Northern and Coastal Suburbs, and has a long association with the Realmark brand. Working with locals in the community, she enjoys putting her clients minds at ease while having the privilege of appreciating the beautiful coastline every day.
No day is ever the same in property management, with Colleen facing and overcoming different challenges. However, through her genuine attitude and ability to deliver a superior service, she instils property owners with the confidence that they are in safe hands.
Throughout the years, Colleen has excelled at every aspect, from listing many executive and family homes, apartments and leasing these properties to wonderful and high-quality tenants., through her long standing relationships with many executive relocation agents. To date, some of her most notable achievements are successfully leasing homes both off market and with creative marketing to achieve higher than average rental returns on long-term leases.
Colleens priority is to provide great advice to her clients and keeps up with the latest news and legislation. She maintains strong relationships and with her knowledge this ensures that she delivers great information to owners, tenants and their investments are looked after with care. Whether it’s anything property management related or her clients themselves, Colleen prides herself on her excellent level of understanding.
On her days off, Colleen can be found spending some quality family time, enjoying the local beaches and keeping fit at her local gym in Hillary’s.

Gary brings a rare depth of knowledge and professionalism to his role as a Residential Sales Representative. Having spent close to a decade as a valuer across both residential and commercial sectors, conducting over 9,000 property valuations, he offers clients a sharp eye for detail and an evidence-based approach to achieving the best outcomes for his clients. Gary has transitioned into residential real estate sales, combining his technical expertise with a genuine passion for helping people through their property journey.

Raised in the City of Melville and City of Canning, and now a proud Melville resident, Gary has strong roots in the local community. A graduate of Rossmoyne Primary and Senior High School, he went on to complete a Bachelor of Commerce and Masters in Property at Curtin University, where he later returned as a guest lecturer in property (2010–2013).

Gary’s career has been recognised with industry accolades, including being named the “Most Accurate Valuer” in the residential department at Quantia Valuations (now Opteon Solutions) in 2008. Gary leverages his background knowledge and embraces continued learning opportunities in property and sales practices.  

Gary is dedicated to providing clear, trustworthy advice and support to help clients achieve their property aspirations. 

Darcy specialises in helping clients navigate the unique world of urban living including strata title properties with clarity, confidence, and ease. 

With years of experience in residential sales, Darcy knows how to break down complex situations, regulations, and processes into something simple and manageable. Whether you're selling your first apartment or a strata-titled townhouse, realising an investment or selling your family's home, he guides you every step of the way from preparation to settlement. 

Living in Subiaco and based out of the Leederville office, Darcy is deeply immersed in the vibrant, urban lifestyle his clients are looking for. He doesn’t just sell the city, he lives it. From villas to low-maintenance townhouses and apartments, Darcy understands the appeal of smart design, walkability, convenience, and a sense of community. He knows how to highlight the lifestyle benefits that matter most to urban buyers and how to market those features effectively. 

Clients value Darcy’s calm, down-to-earth nature, his work ethic, and his ability to translate complex information into practical advice. He takes the time to listen and tailor his approach to each individual. 

Greg is a Geraldton local, born and raised, with an in-depth understanding of the area, its lifestyle, and its property market. Having lived in Perth and Sydney before returning home, he brings a broad perspective combined with strong local insight, a powerful advantage for buyers and sellers alike.  

With a career built in sales, Greg is highly skilled in negotiation, communication, and achieving results. He understands that every property and every client is different, and he takes a strategic, client-focused approach to ensure the best possible outcome.  

Greg’s genuine passion for the Geraldton lifestyle, from its world-class beaches to the iconic Abrolhos Islands, allows him to confidently promote the region and connect buyers with the opportunities it offers. Outside of work, he enjoys cooking, spending time with his wife Jess and their small dogs, and getting out to the Abrolhos whenever possible.