Plum Island Homes For Sale

Plum Island was never its own town. In 1649 the Massachusetts General Court divided the barrier island among three colonial settlements — granting roughly two-fifths to Newbury, two-fifths to Ipswich, and one-fifth to Rowley — a split that, with Newburyport's 1851 incorporation carving territory out of Newbury, still defines the island's ownership today across all four communities. A turnpike and bridge completed in 1807 first opened the island to regular travel, and after a series of 19th-century shipwrecks prompted the founding of one of the nation's first U.S. Life-Saving Stations in 1874, the island's character shifted from grazing land and salt-hay harvesting toward recreation.

The defining chapter of Plum Island's built environment came in the 1920s, when the Plum Island Beach Company bought up the Newbury section, laid out Northern Boulevard, ran in electricity, and sold off lots for summer cottages — the architectural DNA still visible in the shingled, close-set houses along Northern Boulevard, Reservation Terrace, and Old Point Road today. In 1941–42 the federal government established the Parker River National Wildlife Refuge over the island's southern two-thirds (about 4,700 acres), permanently protecting that stretch for the more than 300 bird species that pass through or nest there, including the federally threatened piping plover. Severe blizzards in 1978 and again in 2013 reshaped the dunes and left some homes structurally compromised, underscoring that this has always been a working barrier island, not a fixed piece of ground.

That tension between desirability and instability defines the market today. A 2015 Army Corps jetty repair altered sediment flow and accelerated erosion in places to roughly 53 feet a year according to a December 2025 WBUR report, and Massachusetts' new ResilientCoasts Initiative has begun funding voluntary FEMA buyouts — one Plum Island homeowner accepted a $1 million buyout in October 2025 rather than keep rebuilding. Yet scarcity keeps pushing prices up: Redfin's neighborhood data for the Newburyport side of Plum Island has shown median sale prices ranging roughly from $1.1 million to $1.7 million across recent 2025–2026 reporting windows, reflecting both a thin, seasonal sales sample and genuinely fierce demand for a limited, non-replicable inventory of oceanfront and marsh-front cottages.