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ST THOMAS — For two decades, Lagnappe Custom Interiors has been a shining pillar of excellence in the interior design space in the U.S. Virgin Islands. Established by co-founders David and Tiffany Cassidy in 2002, this dynamic duo has led the largest and most experienced interior design team in the territory, catering to vacation rental owners, homeowners, and commercial developers.

Their commitment to customer satisfaction is at the heart of Lagnappe’s success. The Cassidys ensure that a knowledgeable member of their team is always available during regular business hours to address questions and concerns; this fosters a personalized, attentive approach to every project.

Lagnappe Custom Interiors offers a suite of services designed to cater to diverse needs, including Design Strategy Sessions, Designer for a Day, Master Plan for Design, Full-Service Luxury Interior Design, and Floor Plan Review. Each service is crafted to provide clients with a tailored experience that aligns with their vision and requirements.

The firm’s design philosophy revolves around creating home environments that are not only aesthetically pleasing but also practical and sustainable, especially considering the tropical climate of the U.S. Virgin Islands. From personal retreats to vacation rentals, Lagnappe meticulously selects high-quality, durable materials and fixtures that withstand the challenges of waterfront settings. In 2022, Lagnappe Custom Interiors won HGTV Designer of the Year with their one-of-a-kind design of Eternity Villa. Originally a 4-bedroom, 2-bath villa, they re-engineered the home’s floor plan and transformed it into a 5-bedroom, 5 ½-bath vacation retreat. Expansive windows offer panoramic views of one of the world’s most beautiful beaches and the infinity-edge pool seemingly touches the crystal blue waters of Magen’s Bay. Their distinctive floor plan design created a clear line of sight to the sea from multiple angles throughout the home.

Beyond their professional endeavors, David and Tiffany Cassidy bring a personal touch to their work. Having met in St. Thomas, these California natives understand the delicate balance of business and family life. Their private haven serves as inspiration, influencing the creation of luxury vacation rentals and homes that embody the laid-back Caribbean lifestyle they cherish. Through Lagnappe Custom Interiors, the Cassidys invite clients to experience the same sense of comfort and ease, where friends and family can gather to relax or entertain in true island fashion.

To learn more about Lagnappe Custom Interiors, visit their website at

Written by Anquanette Gaspard