---
title: "St. Lawrence Seaway Management Corporation"
url: "https://canadaservicemap.ca/bodies/st-lawrence-seaway-management-corporation"
description: "The St. Lawrence Seaway Management Corporation manages and operates the St. Lawrence Seaway under a management agreement with the Crown. Not a government site."
site: "Canada Service Map"
author: "Mahmoud Halat"
publisher: "Space & Story"
updated: "2026-10-14"
licence: "Built entirely from public data: open data and official government pages. Each record keeps the licence of its source, listed at https://canadaservicemap.ca/data."
---
# St. Lawrence Seaway Management Corporation

Government of Canada · Corporations

Compiled by Mahmoud Halat, updated 14 October 2026. Not a government website. The official page always has the final word.

## About

The St. Lawrence Seaway Management Corporation manages and operates the St. Lawrence Seaway under a management agreement with the Crown.

Source: [GC InfoBase, Inventory of Federal Organizations and Interests (Treasury Board of Canada Secretariat)](https://open.canada.ca/data/en/dataset/a35cf382-690c-4221-a971-cf0fd189a46f). Licence: Open Government Licence - Canada.

## Facts

- Jurisdiction: Government of Canada
- Layer: Corporations
- Class: Shared-Governance Corporations
- Portfolio: [Transport Canada](https://canadaservicemap.ca/bodies/transport-canada)
- Wikidata: [Q7401635](https://www.wikidata.org/wiki/Q7401635)

## Official website

- [greatlakes-seaway.com](https://www.greatlakes-seaway.com)

## Sources

- Description source: [GC InfoBase, Inventory of Federal Organizations and Interests (Treasury Board of Canada Secretariat)](https://open.canada.ca/data/en/dataset/a35cf382-690c-4221-a971-cf0fd189a46f). Licence: Open Government Licence - Canada.
- Record from: [GC InfoBase, Inventory of Federal Organizations and Interests](https://open.canada.ca/data/en/dataset/a35cf382-690c-4221-a971-cf0fd189a46f). Licence: Open Government Licence - Canada.

## More

- [View it in the explorer](https://canadaservicemap.ca/explore?sel=ifoi:311), with the sources of its record.
- [Data and sources](https://canadaservicemap.ca/data): every record keeps the licence of its source.

## Cite this page

Canada Service Map, "St. Lawrence Seaway Management Corporation", updated 14 October 2026, https://canadaservicemap.ca/bodies/st-lawrence-seaway-management-corporation