Meet the Team

MaryBeth Tribbitt
Cell: 302-218-5720 | Email:
Licensed in Delaware & Pennsylvania

A life-long Delaware resident who grew up in Lewes, MaryBeth has over 30 years of real estate experience.

MaryBeth is a full-time licensed REALTOR® in Delaware and Pennsylvania and has handled virtually every type of home over the years, from small condominiums to large estate properties. A skillful negotiator who is consistently one of New Castle County’s top producing REALTORS®, MaryBeth possesses vast knowledge of the communities and housing in the area. No matter what your real estate needs encompass – and no matter what type of home you are buying or selling – MaryBeth will handle your transaction with integrity, knowledge, and experience.
MaryBeth’s primary residence is in New Castle County and she has expanded her coverage to include her hometown area of Lewes, as well as the other coastal areas of Southern Delaware, supported by the Patterson-Schwartz Rehoboth Beach and Bethany Beach offices. If you are in the market to purchase or sell a beach property, MaryBeth can help. Her life-long knowledge of Delaware’s beach areas, coupled with her real estate experience, allow her to help you make the best buying and selling decisions.
MaryBeth has also added an ASP/RE (Accredited Staging Professional) designation to her portfolio of services, bringing even more broad-based knowledge, experience, and skill to her practice. MaryBeth’s Staging expertise and attention to detail are invaluable to sellers and they continuously help her listings to sell faster and for more money.

Marguerite Giorgi Argelander
Cell: 302-540-3426 | Email:
Licensed in Delaware & Pennsylvania
A true Delaware native, Marguerite has deep roots and a lifelong connection to the community. Growing up in a large, local tight-knit family entrenched in a family-business environment, she's cultivated an intimate understanding and profound love for the area like no other.

With over 35 years of diverse experience in the real estate industry, Marguerite has held various roles, and for the past 26 years she's been an integral part of Patterson-Schwartz's Hockessin office, where her unwavering dedication to clients shines through from beginning to end and beyond. Licensed in both Delaware and Pennsylvania, she's earned a reputation for her patient, low-pressure approach and tenacious advocacy on behalf of her clients. Many have entrusted Marguerite with their real estate needs, making her a lifelong REALTOR® to numerous clients. Specializing in residential real estate, she caters to a wide range of clients, whether they're first-time buyers, seasoned sellers, downsizers, investors, or those seeking the perfect lot or beach home.

Marguerite's commitment to excellence extends beyond transactions. As a lifetime member of NCCBOR® and its Million-Dollar Club, a 10-year recipient of the 5-Star Professional award, and an Accredited Buyer Representative (ABR), she consistently strives to exceed expectations on every level.
On a personal note, Marguerite calls the Pike Creek area home, where she treasures spending quality time with family and friends, hosting gatherings, and indulging in as much time at the shore as possible. 

Lauren McNulty
Cell: 302-690-9151 | Email:
Licensed in Delaware
Lauren, a Delaware native, embarked on a career in real estate in 2007, working in a variety of roles including title agent, closer, processor, and underwriter. She maintains a deep understanding of industry standards and her senior-level underwriting background brings a considerable advantage to her clients and referral partners as they navigate the many nuances and blind spots that arise when buying or selling a home.
Lauren’s ultimate goal is to lead a seamless and stress-free transaction for all parties. She believes that life is all about teamwork and that being a good person will produce great results.
In her free time, you might find Lauren on the beach with her dogs, listening to music, or reading a book while sampling the local coffee shop scene. Lauren is licensed in Delaware and splits her time between Wilmington and Lewes. She has an intimate knowledge of both Northern Delaware and the Delaware Beaches.

If you are looking to buy or sell a home, please give The MaryBeth Tribbitt Group a call at (302) 234-6029. You will be certain to appreciate the high quality boutique service they provide!