The sale of a waterfront estate inside the Aquidneck Club has become the second highest residential transaction ever recorded in Portsmouth, underscoring the continued strength of the luxury market on Aquidneck Island.
The property at 272 Carnegie Harbor Drive sold for $6.6 million. The sellers were represented by Alexandra Thursby of Mott & Chace Sotheby’s; the buyer was represented by Jim DeRentis of Residential Properties Ltd.
According to data from the Multiple Listing Service, the transaction ranks as the second highest sale on record in Portsmouth and the most expensive since 2023.

The 10,000-square-foot residence sits within the gated coastal enclave and looks west over the water, with two-story floor-to-ceiling windows designed to capture sunset views. The five-bedroom, 10-bathroom home is arranged around an open-concept floor plan anchored by a chef’s kitchen intended for large-scale entertaining.
A private primary suite includes a waterfront balcony, a spa-inspired bath and expansive walk-in closets. Each guest bedroom has its own en-suite bath. Outdoors, an infinity pool and multiple terraces extend toward the shoreline, framed by landscaped gardens. Residents of the Aquidneck Club also have access to golf, marina, equestrian and tennis amenities.

“This sale highlights the resilience and continued strength of the Portsmouth and greater Aquidneck Island market,” Ms. Thursby said. “The Aquidneck Club continues to drive strong demand in this highly sought-after community. It was truly an honor to assist my clients in finding the ideal buyer for their cherished home.”
Luxury transactions on the island have remained comparatively resilient, even as broader housing markets have moderated, driven in part by limited waterfront inventory and sustained interest in coastal properties offering privacy and amenities.
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