Waterway information
Kind:
Lake
Driving areas:
🇨🇦 Canada🇺🇸 United States of America
Length:
873 km¹, 1146 km official total length
¹River kilometers or bank length recorded in NavShip, including river arms and harbor entrances.
Availability:
Completely recorded
Recent Update: 02.09.2025²
² This date indicates when an adjustment last took place in the course of the body of water
Recorded:
Locks: 0
Harbours / marinas: 46
Bridges: 0
Berths: 0
Slipways: 4
Fuelstations: 7
Useful information:
Lake Ontario is the smallest of the five "Great Lakes" of North America, through which the border between the USA and Canada runs.
Translated, the name simply means "big lake". It has a total area of 19,000 square kilometers, which is roughly the size of the German state of Rhineland-Palatinate.
Its deepest point is 244 meters below the surface. The largest city on its shores is Toronto.
Lake Ontario has over 1,500 islands. There are numerous bathing opportunities almost everywhere, many opportunities for water sports and, last but not least, numerous options for boat trips on the lake.
Route:
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Request waterway overview map with symbol legend here (Link).
Information about data associated with this body of water (57 available):
Data by OpenSeaMap (c) OSM contributors, www.openseamap.org
| # | Kind | Coordinates | Name | Information |
|---|
| 1 | Marina | 43.34063,-78.71894 | 2013-11-22T08:16:35Z | Olcott Harbor |
| 2 | Marina | 43.2069,-79.26125 | 2022-05-04T13:23:50Z | Port Dalhousie Pier Marina |
| 3 | Marina | 43.20409,-79.26272 | 2025-04-05T21:15:38Z | Dalhousie Yacht Club
https://www.dalhousieyachtclub.com/ |
| 4 | Marina | 43.20291,-79.26437 | 2022-07-04T01:20:34Z | |
| 5 | Marina | 43.2023,-79.55169 | 2021-06-14T18:13:42Z | Forans Marine/Lakecourt Marine |
| 6 | Marina | 43.2241,-79.62527 | 2024-04-15T00:33:18Z | |
| 7 | Marina | 43.39328,-79.71034 | 2023-10-30T22:12:19Z | Bronte Harbour |
| 8 | Marina | 43.39417,-79.70388 | 2023-10-30T22:12:19Z | Bronte Outer Harbour Marina |
| 9 | Marina | 43.4412,-79.6685 | 2021-12-26T04:49:02Z | |
| 10 | Marina | 43.61464,-79.48062 | 2025-02-23T19:06:17Z | |
| 11 | Marina | 43.61751,-79.47998 | 2020-11-28T14:57:39Z | |
| 12 | Marina | 43.63399,-79.44144 | 2023-12-03T15:38:48Z | |
| 13 | Marina | 43.63408,-79.43973 | 2025-03-17T19:32:39Z | |
| 14 | Marina | 43.62949,-79.4174 | 2021-03-18T11:08:39Z | Ontario Place North Marina |
| 15 | Marina | 43.89777,-78.57927 | 2023-12-09T18:14:15Z | |
| 16 | Marina | 43.55017,-79.58442 | 2022-07-02T02:20:46Z | |
| 17 | Marina | 43.55082,-79.58514 | 2022-08-18T02:50:23Z | Credit Village Marina/Port Credit Harbour |
| 18 | Marina | 43.55029,-79.58012 | 2023-03-22T19:02:25Z | Port Credit Harbour Marina |
| 19 | Marina | 43.30054,-79.84425 | 2024-04-15T21:30:54Z | |
| 20 | Marina | 43.65844,-79.31201 | 2023-12-20T01:27:19Z | |
| 21 | Marina | 42.25953,-81.90807 | 2021-09-27T18:16:22Z | |
| 22 | Marina | 42.26058,-81.90967 | 2021-09-27T18:16:22Z | Erieau Marina |
| 23 | Marina | 43.65784,-76.16013 | 2025-01-19T22:29:05Z | North Pond Sandy Creek Waterway Access
https://www.dec.ny.gov/outdoor/41039.html |
| 24 | Marina | 43.8575,-78.93776 | 2023-12-08T23:38:22Z | |
| 25 | Marina | 43.36612,-78.03108 | 2023-11-10T22:28:00Z | Bald Eagle Marina |
| 26 | Marina | 43.86214,-77.19722 | 2023-07-10T14:19:36Z | Pebble Beach Marina
Private |
| 27 | Marina | 43.6234,-79.38677 | 2025-09-20T03:15:33Z | Island Yacht Club |
| 28 | Marina | 43.18456,-79.36852 | 2022-11-02T02:48:06Z | Beacon |
| 29 | Marina | 43.8134,-79.09656 | 2022-06-25T15:50:05Z | Frenchman's Bay Yacht Club |
| 30 | Marina | 43.64843,-79.32878 | 2023-01-18T14:12:26Z | Dragonboating Club |
| 31 | Marina | 43.64159,-79.32662 | 2024-04-06T18:27:44Z | Outer Harbour Marina |
| 32 | Marina | 43.62284,-79.36846 | 2025-09-02T04:31:21Z | RCYC |
| 33 | Marina | 43.62747,-79.3581 | 2023-04-23T18:20:16Z | Sunfish Cut Boat Club |
| 34 | Marina | 43.62958,-79.35804 | 2025-09-02T04:32:10Z | Queen City Yacht Club
https://qcyc.ca/about-us/visitors |
| 35 | Marina | 43.63825,-79.3845 | 2023-02-06T02:30:33Z | Marina Four |
| 36 | Marina | 43.63659,-79.39332 | 2022-06-18T22:51:46Z | |
| 37 | Marina | 43.63257,-79.40348 | 2023-07-10T00:03:00Z | National Yacht Club |
| 38 | Marina | 43.65705,-79.30883 | 2023-01-18T14:12:26Z | |
| 39 | Marina | 43.6582,-79.31106 | 2023-11-02T20:28:15Z | Ashbridge's Bay Yacht Club
+1-416-698-4498
https://abyc.on.ca/ |
| 40 | Marina | 43.27165,-79.86892 | 2022-02-26T20:16:33Z | |
| 41 | Marina | 43.27392,-79.86318 | 2025-04-26T01:08:10Z | Harbour West Marina |
| 42 | Marina | 44.02027,-77.71652 | 2023-11-12T15:06:44Z | Harbourview Marina |
| 43 | Marina | 44.0202,-77.72897 | 2023-11-12T15:06:44Z | |
| 44 | Marina | 43.64066,-79.33629 | 2024-07-20T22:18:59Z | |
| 45 | Marina | 43.30733,-77.70668 | 2024-05-25T10:53:48Z | Braddock Bay Marina |
| 46 | Marina | 43.89208,-78.66559 | 2023-11-10T22:24:43Z | |
| 47 | Slipway | 43.95047,-77.33833 | small_craft_facility | 2025-03-23T14:17:33Z |
| 48 | Slipway | 43.54939,-79.58112 | Unknown | 2023-03-22T19:02:25Z |
| 49 | Slipway | 43.18377,-79.36811 | Unknown | 2022-11-02T02:48:06Z |
| 50 | Slipway | 43.62328,-79.36935 | small_craft_facility | 2020-05-17T14:34:54Z |
| 51 | Fuel station | 43.22507,-79.62458 | 2024-04-15T00:33:18Z | 50 Point Marina |
| 52 | Fuel station | 43.56694,-79.55659 | 2025-03-13T19:11:17Z | Lakefront Promenade Fuel Dock |
| 53 | Fuel station | 43.56704,-79.55652 | 2025-03-13T19:11:17Z | Lakefront Promenade Fuel Dock |
| 54 | Fuel station | 43.65833,-79.31161 | 2023-11-02T20:28:11Z | Ashbridge's Bay Gas Dock
Our convenient gas dock, located on the north side of club peninsula, has facilities for fueling and pump-out that are accessible to both members and the general boating public during ABYC’s sailing season, May – October.
+1-416-698-4498
https://abyc.on.ca/facilities/gas-dock/ |
| 55 | Fuel station | 43.85642,-78.93607 | 2023-12-08T23:38:22Z | |
| 56 | Fuel station | 43.36563,-78.03055 | 2024-07-31T04:41:23Z | Dock Box Marine Store
Diesel & Non-Ethanol Fuels Available. Pump-out, electric and water lines @ gas dock.
Mo-Su 05:00-23:00
+1 585-659-8603 |
| 57 | Fuel station | 43.27472,-79.86265 | 2025-04-26T01:08:10Z | Petro Canada - Harbour West Marina |
