Deer Isle / Stonington, ME — A Working Lobster Port and an Artist Colony, Sharing One 1939 Suspension Bridge

What Actually Makes This Market Different

Start with the single fact that shapes everything else here: this is one island carrying two separate, real towns. The Town of Deer Isle incorporated in 1789, originally encompassing Little Deer Isle, the main island, and Isle au Haut. Isle au Haut split off as its own town in 1868. Then, on February 18, 1897, the island's southern third split off again to form the Town of Stonington (previously known as Green's Landing). Both towns are real and currently governed today: Deer Isle by a three-member select board and a town manager, Stonington by a five-member select board, its own town manager, and an annual March town meeting where residents vote the budget line by line. They share a school district structure, a bridge, and an island — but they are not one municipality, and this page never collapses them into one. (Sources: Wikipedia's own entries on Deer Isle, Maine and Stonington, Maine; each town's own government site.)

Geography and access come next. Deer Isle (the island, not the town) sits on the eastern side of Penobscot Bay in Hancock County, totaling roughly 123.67 square miles — but the overwhelming majority of that, 93.95 square miles, is water, against just 29.72 square miles of land. The island connects to the mainland town of Sedgwick by the Deer Isle–Sedgwick Bridge, a suspension bridge with a 1,088-foot main span and a roadway 98.7 feet above mean water, dedicated June 19, 1939 by Governor Lewis Barrows, with school bands from both island towns marching across at the ceremony. It replaced a car-ferry crossing that a local historical society's own account calls "inconvenient, if not dangerous." Tolls were charged for roughly 22 years after opening; none apply today. One genuinely charming, verifiable detail: the island reportedly had no skunks before the bridge, because skunks cannot swim. The bridge itself lands on Little Deer Isle, a smaller island connected onward to the main body of Deer Isle by a separate causeway — meaning Route 15 crosses two distinct water structures, not one, before reaching either town.

That second structure, the Little Deer Isle causeway, is the live infrastructure story here, and it deserves to be told honestly rather than folded into the bridge's own solid safety record. The roughly 90-year-old causeway was submerged under about 18 inches of water during the January 10, 2024 coastal storm, closing Route 15 and cutting off ambulance and fire access to the island for a period. The Maine Department of Transportation's current plan — selected from five design alternatives presented in 2024 — calls for rebuilding it roughly 13 feet high (about 2 feet above the most severe current 2100 sea-level-rise projections) and 32 feet wide, at an estimated cost of $20 million. This page does not state a specific current construction start date, since that is a live, moving public-works timeline; check MaineDOT's own project page before relying on a status.

Granite quarrying is a genuine, shared 19th- and early-20th-century industrial identity for both towns, not a marketing invention. Quarrying became a major island industry around 1870, and Deer Isle/Stonington granite went into the Brooklyn Bridge approaches, the Croton Aqueduct, the Museum of Fine Arts in Boston, the Manhattan Bridge, JFK's Eternal Flame memorial, and Yankee Stadium. Two real sites preserve that history today, both specifically in the Town of Stonington despite one's name: the Deer Isle Granite Museum, which displays a working scale model of an early-1900s quarry, and the Settlement Quarry Preserve, a 1.8-mile trail network on a former working quarry (active roughly 1900–1980, peak activity in the 1920s) acquired by the Island Heritage Trust in 1996, with views over Merchant Row and Isle au Haut.

Stonington's working waterfront carries the island's other defining current identity: it is genuinely one of Maine's top lobster ports. For 2025, per Maine Department of Marine Resources data reported by regional outlets, Stonington landed roughly 11.2 million pounds of lobster worth roughly $49 million in ex-vessel value — first among all Maine ports by earnings, even though Portland edged it out in raw pounds (13.3 million vs. 11.2 million), accounting for just over 22% of the $215 million earned collectively by Maine's top 10 lobster ports that year. That figure moves meaningfully year to year — down from roughly $55.3 million in 2024 (itself part of a statewide 15-year landings low), but still above a roughly $45.7 million 2022 figure — so this page presents the range honestly rather than picking one number. Roughly 470 lobstermen were reported working out of Stonington's docks as of the January 2024 storm (Section on storms below). Billings Diesel & Marine, a real, currently operating family-run boatyard in Stonington, anchors the working-harbor side of this identity.

Culturally, the two towns split their landmarks cleanly and this page never cross-attributes them. Haystack Mountain School of Crafts, a nationally significant craft school founded in 1950 (originally near Haystack Mountain in inland Montville, Maine), relocated to its permanent home on Stinson Neck in the Town of Deer Isle in 1961; its modernist, 34-building campus was designed by architect Edward Larrabee Barnes, won the American Institute of Architects' "Twenty-Five Year Award" in 1994, and was added to the National Register of Historic Places in 2005. The Stonington Opera House, built in 1912 in the Town of Stonington and National Register-listed since 1991, was purpose-built as a for-profit theatrical venue (unusual for its era) and today operates as Opera House Arts, a nonprofit that reopened it in 2000 after it sat closed through the late 1980s.

Real estate here runs as two genuinely different, genuinely small-sample ZIP-code markets — Deer Isle (04627) and Stonington (04681) — that should never be blended into one figure. Zillow's own home-value tool puts Deer Isle's home value index at roughly $415,101 (up about 1.4% year over year) against Stonington's roughly $508,686, a real, meaningful gap. Redfin's own Deer Isle page shows a much higher median sale price, but on a sample of just one recorded sale in its reporting window — too small to treat as a reliable market figure, and this page will not present it as typical. No current mil rate is stated for either town: a June 2025 Island Ad-Vantages report confirms both towns' property taxes rose that cycle, driven by Community School District 13 and Hancock County budget growth, but the specific dollar figures sit behind a subscription paywall this research pass could not access — confirm directly with each town's own assessing office.

Layered on top of all of that is a real, current, well-documented housing and workforce story: per a December 2025 Bangor Daily News report on a joint Deer Isle-Stonington housing task force, roughly 46% of Deer Isle's homes and 42% of Stonington's sit vacant or seasonal-only in the off-season, short-term rentals grew from 232 units in 2022 to 246 in 2025, nearly half of surveyed island businesses now provide employee housing directly, and roughly 20% of the island's workforce commutes at least 100 miles round-trip for work. This page treats that as a real, currently unresolved local issue — not a marketing footnote — and does not invent a solved outcome. Several other facts were not independently confirmed this research pass and are not invented here: a specific current population estimate beyond each town's own 2020 Census count, a specific current property tax mil rate for either town, a specific current median home sale price, and a confirmed complete current restaurant roster beyond the businesses named on this site's dining page. Nothing on this page is legal, tax, financial, or insurance advice; confirm current prices, tax rates, and risk specifics directly with a locally licensed agent, each town's own assessing office, and FEMA's Flood Map Service Center before making a purchase or relocation decision.