Long Island

Maine · ME · Cumberland County

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About Long Island

Town in Maine, United States

234Population

33.5 sq miArea

13 ftElevation

Long Island is a Casco Bay island and town in Cumberland County, Maine, United States, which seceded from the city of Portland in 1993. The population was 234 at the 2020 census. It is part of the Portland-South Portland-Biddeford metropolitan area.

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The weekly

This week in Long Island

September 14–20, 2026·Maine · ME · Cumberland County

The forecast calls for Mostly Sunny, highs near 64°.

Gathered from local news, the National Weather Service, and your neighbors’ posts.

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From your neighbors

What’s happening

Aisha K.

2h · Townwide

Around town

New coffee shop opened on Main

Went twice this week already. Great flat white and there's a corner with outlets if you need to work.

6 Save

Emily C.

5h · Townwide

EventCommunity

Neighborhood yard sale — September

A few families on our street are going in together. Come early for the good stuff, everything must go.

2 Save

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The basics

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ZIP code04050