Welcome to Three Mile Bay ...

Three Mile Bay is located in the Thousand Islands and Saint Lawrence River/Seaway region.

Three Mile Bay is located in Jefferson County<1>.

While we don't have a date for the founding of Three Mile Bay, you might consider that their post office opened  in 1830.

Three Mile Bay is 250 feet [76 m] above sea level.<2>.

Time Zone: Three Mile Bay lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Three Mile Bay is within the boundaries of the (315) area code.

The ZIP code for Three Mile Bay: 13693<3>

Communities near Three Mile Bay ...

We have created a list of 10 communities that are near Three Mile Bay.

• Kingston
  (17 miles [27.4 km] to the northwest)
  • Jump to our Gazetteer entry for Kingston
  • Jump to TripAdvisor's Tourism page for Kingston <4>
• Watertown
  (16 miles [25.7 km] to the southeast)
  • Jump to our Gazetteer entry for Watertown
  • Watertown is located in Jefferson County
  • Population from the 2020 Census: 24,330 people
  • Jump to TripAdvisor's Tourism page for Watertown <4>
• Gananoque
  (17 miles [27.4 km] to the north)
  • Jump to our Gazetteer entry for Gananoque
  • Jump to TripAdvisor's Tourism page for Gananoque <4>
• Clayton
  (12 miles [19.3 km] to the northeast)
  • Jump to our Gazetteer entry for Clayton
  • Clayton is located in Jefferson County
  • Population from the 2020 Census: 1,775 people
  • Jump to TripAdvisor's Tourism page for Clayton <4>
• Sackets Harbor
  (10 miles [16.1 km] to the southeast)
  • Note: The GPS coordinates that we are using for Sackets Harbor have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Sackets Harbor
  • Sackets Harbor is located in Jefferson County
  • Population from the 2020 Census: 1,376 people
  • Jump to TripAdvisor's Tourism page for Sackets Harbor <4>
• Brownville
  (11 miles [17.7 km] to the southeast)
  • Jump to our Gazetteer entry for Brownville
  • Brownville is located in Jefferson County
  • Population from the 2020 Census: 1,063 people
  • Jump to TripAdvisor's Tourism page for Brownville <4>
• Dexter
  (9 miles [14.5 km] to the southeast)
  • Jump to our Gazetteer entry for Dexter
  • Dexter is located in Jefferson County
  • Population from the 2020 Census: 980 people
  • Jump to TripAdvisor's Tourism page for Dexter <4>
• Cape Vincent
  (7 miles [11.3 km] to the northwest)
  • Note: The GPS coordinates that we are using for Cape Vincent have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Cape Vincent
  • Cape Vincent is located in Jefferson County
  • Population from the 2020 Census: 680 people
  • Jump to TripAdvisor's Tourism page for Cape Vincent <4>
• Chaumont
  (3 miles [4.8 km] to the east)
  • Note: The GPS coordinates that we are using for Chaumont have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Chaumont
  • Chaumont is located in Jefferson County
  • Population from the 2020 Census: 568 people
  • Jump to TripAdvisor's Tourism page for Chaumont <4>
• Evans Mills
  (19 miles [30.6 km] to the east)
  • Jump to our Gazetteer entry for Evans Mills
  • Evans Mills is located in Jefferson County
  • Population from the 2020 Census: 545 people
  • Jump to TripAdvisor's Tourism page for Evans Mills <4>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Three Mile Bay. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Three Mile Bay.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Three Mile Bay. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Three Mile Bay.

We also have a detailed list of newspapers that have been published in the area around Three Mile Bay. See our Newspapers Page for Three Mile Bay.

TripAdvisor Tourism Pages for Three Mile Bay ...

Looking for more information about Three Mile Bay? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Three Mile Bay, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Three Mile Bay.

Adding Three Mile Bay to Our Gazetteer ...

We originally found mention of Three Mile Bay in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Three Mile Bay was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Three Mile Bay post office opened in 1830.

We also found Three Mile Bay in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Three Mile Bay.

Off-the-Road Links ...

Unfortunately, we don't know of a website for Three Mile Bay. If you can help, please contact us through our Feedback Page.

The official website for Jefferson County: www.co.jefferson.ny.us/

The official website for State of New York: https://www.ny.gov/