Quick Facts: Project: Old Port Square. Location: Portland, Maine. Architect: Safdie Architects (Moshe Safdie). Height: Would be tallest building in Maine. Design inspiration: The lighthouse — a vertical form rooted in Maine’s coastal identity. Program: Mixed-use residential tower with retail and public space.

A proposed tall building design in Portland, Maine, featuring modern architecture, with a park area filled with people in the foreground at twilight.

Maine is not a state that tends to think vertically. Its skyline is horizontal, its architectural identity shaped by lobster shacks and clapboard houses and the lighthouses that dot its coastline. So when Safdie Architects proposed a tower for Portland that explicitly references the lighthouse form, there was a kind of geographic logic to it that’s hard to argue with.

Proposed high-rise building in Portland, Maine, featuring modern architectural design with glass and wood elements at twilight.

What Safdie Architects Designed

Old Port Square is a mixed-use residential tower for Portland’s waterfront. Moshe Safdie, the architect best known for Habitat 67 in Montreal and the Marina Bay Sands in Singapore, brought his characteristic stacked, modular approach to a building that tapers toward the top and reads, especially from the water, like a contemporary lighthouse. It would be the tallest structure in the state of Maine.

A conceptual rendering of a tall building proposed for Portland, Maine, overlooking a cityscape with coastal views and lower-rise buildings.

A digital rendering of a new tall building in Portland, Maine, showcasing a modern architectural design with a prominent tower and surrounding greenery.

The Lighthouse as Architecture

The lighthouse reference is not purely aesthetic. Lighthouses are structurally efficient, visually commanding at a distance, and deeply embedded in Maine’s cultural identity. Using that form as a starting point for a residential tower is a genuinely considered choice, not a marketing concept. The building earns its metaphor.

A vibrant urban plaza featuring modern architectural elements, filled with people enjoying outdoor seating, walking, and socializing among greenery and shops.

A Tower That Fits Its Place

The best tall buildings don’t ignore their context. They respond to it. Safdie’s Old Port Square does both, drawing on Maine’s coastal heritage while proposing something genuinely new for a city that hasn’t often asked this question: what should a Maine skyscraper look like? This is one persuasive answer.

A modern architectural rendering of a new building in Portland, Maine, featuring a mix of glass and wood elements, with people walking and trees lining the street.


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6 Comments

  1. Moshe Safdie isn’t the most subtle architect in the world, but he sure can provoke a heated discussion! I found this blog post looking for historic Maine architecture and it looks like Safdie’s proposed tower is surrounded by it. I’ll add my comment since you were kind enough to allow the space.
    Safdie is a modernist who, like other modernists, doesn’t know how to respond to traditional context except in a cartoony, postmodern way. Call his proposal a “landmark”, a “beacon”, the “future of Portland”, whatever you choose to, but it is nothing more than a gigantic stylized Doric column. It would be a huge mistake to build this in downtown Portland. In another city where it wouldn’t take over? Perhaps, it’s not without its merits as an isolated design, but so so inappropriate and unnecessary in Portland.

  2. Impressive. The complex manages to be generic, incongruous and domineering. And as describes, provides little, if anything, for the majority of the area’s residents. Hilariously, the starting image of promotional film is a work-worn lobsterboat – pretty much the opposite of the project.

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  5. Ellis H Polin

    What is the tallest building in the world? 154 stories.

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