White Glove Concierge Realtor Gold Coast Luxury Real Estate ~ Long Island

Donnamarie Chaimanis is the President of one of Long Island’s leading residential real estate firms, overseeing a network of 10 offices across Long Island and Queens. With nearly two decades of experience in residential and luxury real estate, she is widely respected for her strategic leadership, operational expertise, and deep market knowledge across Long Island’s prestigious Gold Coast communities.

Donnamarie began her real estate career in 2006 as a Sales Associate in the firm’s Brookville office, where she quickly distinguished herself as a top producer and emerging leader. Her career progression—from Managing Director of the Brookville office to Regional Vice President, Luxury Marketing Division Manager, and ultimately President—reflects a rare combination of sales excellence, executive leadership, and a commitment to developing high-performing professionals.

As President, Donnamarie is responsible for maximizing branch productivity, overseeing daily sales operations, and guiding long-term business strategy across all offices. She leads managers and career leaders with a collaborative, performance-driven approach while remaining actively engaged in the field as a Licensed Associate Real Estate Broker specializing in luxury real estate sales.

In addition to her executive role, Donnamarie personally represents buyers and sellers of luxury homes throughout The Brookvilles, Laurel Hollow, Lattingtown, Mill Neck, Muttontown, Oyster Bay Cove, and Syosset, as well as other premier Gold Coast communities. She is recognized as one of the region’s foremost luxury real estate experts, with notable transactions including the $36.5 million Searingtown Road estate in Manhasset, the $20 million Easton Estate in Muttontown, the $19.88 million Alan King Waterfront Estate in Kings Point, and the $9.035 million Cassini residence in Oyster Bay Cove.

A Certified Luxury Home Marketing Specialist (CLHMS), Donnamarie is known for her White Glove Concierge Advantage, offering a highly personalized, discreet, and detail-driven approach to luxury representation. Each property is positioned using bespoke marketing strategies designed to attract qualified high-net-worth buyers locally, nationally, and globally.

Prior to her real estate career, Donnamarie served as President and CEO of an IT consulting firm recognized by Long Island Business News as one of the Top 50 Women-Owned Firms. Her technology background continues to influence her leadership and marketing strategy, allowing her to leverage advanced analytics, digital platforms, and innovative tools to maximize exposure and results.

Respected for her integrity, discretion, and decisive leadership, Donnamarie Chaimanis remains committed to shaping the future of Long Island real estate while delivering exceptional service to discerning luxury clients.