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Saint Lawrence River

Waterway information
Preview Saint Lawrence River

Kind:
 Inland

Driving areas:
 🌊 Atlantic Ocean🇨🇦 Canada🇺🇸 United States of America

Length:
 1190 km¹, 2900 km official total length
¹River kilometers or bank length recorded in NavShip, including river arms and harbor entrances.

Availability:
Completely recorded
Recent Update: 05.01.2026²
² This date indicates when an adjustment last took place in the course of the body of water

Recorded:
Locks: 12
Harbours / marinas: 79
Bridges: 15
Berths: 8
Slipways: 5
Fuelstations: 1

Useful information:
With a total length of 2,900 kilometers, the St. Lawrence River is one of the longest rivers in the world and is also called the "great waterway" in the language of the North American natives.

The river was discovered by the Frenchman Jacques Cartier and runs from the Canadian province of Ontario to the US state of New York.

The river is navigable along its entire length and is of great importance as a transportation route. But the river is also very attractive for tourism.

Translated with DeepL.com (free version)

Route:
Route Saint Lawrence River

Request waterway overview map with symbol legend here (Link).

Information about data associated with this body of water (118 available):
Data by OpenSeaMap (c) OSM contributors, www.openseamap.org
#KindCoordinatesNameInformation
1Marina46.74726,-71.342052025-07-18T04:47:35ZParc Nautique de Cap-Rouge
2Marina45.43623,-73.753642021-05-15T00:36:28ZRoyal St-Lawrence Yacht Club
3Marina45.39024,-73.915192022-08-05T20:04:53ZClub nautique de l'Île Perrot
4Marina45.22569,-74.295482024-03-20T19:14:17ZRachel Marine Sport
5Marina45.02767,-74.883582023-09-18T00:32:58ZStormont Yacht Club
6Marina45.42609,-73.83612022-08-05T20:04:53ZBeaconsfield Yacht Club
7Marina45.31676,-73.876512021-07-30T12:19:56ZMarina de Beauharnois
8Marina44.30522,-76.259392020-08-31T17:50:14ZTrident Yacht Club
+1-613-382-2771
https://trident-yc.ca/
9Marina45.01363,-74.719552025-08-15T18:16:20Z
10Marina47.21456,-70.273142025-12-27T19:39:51ZParc Nautique St-Jean Port-Joli
11Marina45.42386,-73.860862026-05-02T21:00:24ZLord Reading Yacht Club
12Marina44.83473,-75.322032022-04-13T14:04:21ZThousand Islands Yacht Club
13Marina45.40336,-73.923412022-06-12T15:57:52ZBaie-d'Urfé Yacht Club
14Marina45.43829,-73.726992025-09-18T11:37:44Z
15Marina45.07018,-74.54162025-04-22T23:30:45Z
16Marina45.05274,-74.573292025-04-18T14:16:34Z
17Marina44.26336,-76.377052022-07-07T21:15:40ZTreasure Island Marina
+1 613-548-1239
18Marina46.9878,-70.548152025-03-19T21:25:55ZMarina de Montmagny
19Marina46.82127,-71.206732025-08-26T01:03:22ZPort de Québec - Secteur L'Estuaire
20Marina46.81862,-71.202482024-01-03T16:11:57ZExcusions maritime Québec
21Marina46.83354,-71.200922026-04-07T15:20:31ZPort de Québec - Secteur Beauport
22Marina45.51156,-73.547622024-01-20T13:10:24ZPort d'escale du Vieux Port, quai de l'Horloge
[email protected]
+1-514-283-5414
https://www.vieuxportdemontreal.com/port-d-escale
23Marina45.5062,-73.550562023-03-28T16:53:34ZPort d'escale du Vieux Port, quai Jacques-Cartier
[email protected]
+1-514-283-5414
https://www.vieuxportdemontreal.com/port-d-escale
24Marina45.47895,-73.574042023-03-10T22:29:40ZCentre Nautique du Canal
25Marina45.43281,-73.684282023-12-04T13:50:50ZMarina d'Escale
26Marina44.70004,-75.495872022-04-14T01:06:35Z
27Marina44.70995,-75.511142020-08-31T17:50:14ZSandra Lawn Marina
+1-613-925-2812
http://www.prescott.ca/en/riverwalk-district/Marina-and-Harbour.asp
28Marina44.34312,-75.907842020-12-15T15:26:37ZCarnegie Bay Marina
29Marina44.33887,-75.915952026-02-21T17:38:15Z
30Marina44.33822,-75.915932026-02-21T17:38:15Z
31Marina44.33987,-75.915652026-02-21T17:38:15Z
32Marina44.30295,-75.96612024-06-24T16:11:16ZSwan Bay Marina
33Marina46.78956,-71.196622019-01-24T01:45:19ZParc Nautique Lévy
34Marina46.78022,-71.205292022-05-19T22:03:25Z
35Marina46.74158,-71.277132022-10-10T17:59:58ZMarina
36Marina46.74275,-71.277122021-08-25T18:29:18ZMarina De La Chaudiere
37Marina45.77903,-73.356682026-04-11T16:19:47Z
38Marina45.54105,-73.512462023-09-26T10:42:41ZMarina de Longueuil - Port de plaisance
39Marina45.54093,-73.514282025-02-25T14:18:06Z
40Marina45.53476,-73.519342023-09-25T11:08:07ZLe club nautique de Longueuil
41Marina45.51758,-73.526672023-06-20T18:36:32ZClub d'aviron de Montréal
42Marina45.40691,-73.593832023-07-09T14:06:25ZPort Sainte-Catherine
43Marina45.41009,-73.707552021-08-24T19:16:58ZKahnawake Marina
44Marina45.0195,-74.5922023-03-31T16:46:18ZMarina Adams
45Marina46.8595,-71.004992025-08-24T02:00:52ZClub nautique de l’Île d’Orleans
[email protected]
+1 418 828-9447
https://cnio.ca/
46Marina46.82955,-71.161532025-06-25T19:56:09ZChantier Davie
https://www.davie.ca
47Marina45.42853,-73.821522024-09-29T14:25:19ZPointe-Claire Yacht Club
48Marina44.45385,-75.858142022-04-16T17:04:12Z
49Marina48.84027,-67.574362020-12-03T12:25:34ZPort pour petits bâteaux
50Marina46.78367,-71.234912026-04-04T16:26:14ZYacht Club de Québec
51Marina46.79409,-71.224792025-09-16T03:40:43ZPort de Québec - Secteur Anse au Foulon / Port of Québec - Anse au Foulon Sector
52Marina46.24561,-72.649672022-06-13T01:35:52ZClub Nautique
53Marina45.44551,-73.798412024-12-18T04:45:13ZBase de Voile de Pointe-Claire - Grande-Anse
54Marina45.45441,-73.563532023-06-20T18:15:42ZMarina de Verdun
+1 514 765-7150
55Marina47.66199,-70.096642025-12-26T22:20:14ZLe Port de Refuge de Cap-à-l'Aigle
56Marina45.25733,-74.131432023-02-09T01:06:42ZQuai fédéral de Valleyfield
57Marina45.2548,-74.145032025-03-03T19:51:56ZMarina de Valleyfield
58Marina44.13085,-76.329852025-06-03T16:26:48ZAnchor Marina
59Marina44.73529,-75.473982023-10-29T08:12:02ZSt. Lawrence Marina
[email protected]
+1-613-925-5560
https://www.stlawrencemarina.com/
60Marina45.16339,-74.421862022-04-23T17:23:38ZCreg Quay
https://cregquay.com/
61Marina44.32223,-76.207852022-07-10T14:31:50ZClark's Marina
[email protected]
+1-613-382-0016
https://clarksmarina.ca/
62Marina44.32325,-76.16492024-08-04T01:42:45ZGananoque Municipal Marina
+1-613-382-4088
https://www.gananoque.ca/community-services/parks-and-recreation/municipal-marina
63Marina44.32664,-76.161822022-05-02T13:19:32ZBrennan Marine
+1-613-382-3137
https://brennanmarine.net/
64Marina44.35525,-76.029442020-08-31T17:50:14Z+1-613-659-2380
https://ivyleaclub.ca/ivy-lea-marina/
65Marina44.36311,-76.013042024-06-23T08:27:11ZVillage Guay marina
[email protected]
+1-613-659-3207
https://villagequay.com/
66Marina44.36437,-76.010392020-08-31T17:50:14ZThe Landing At Ivy Lea
+1-613-659-2927
http://thelandingivylea.com/
67Marina44.36416,-76.005732022-07-09T12:57:42Z
68Marina44.38017,-75.936962025-05-02T20:34:37ZHoward's Marine of Rockport Ltd.
+1-613-659-3485
http://www.howardsmarina.com/
69Marina44.38218,-75.929972020-08-31T17:50:14ZHucks Marine & Resort
[email protected]
+1-613-659-3408
https://marina.ca/
70Marina45.69488,-73.572292023-12-29T19:34:02ZMarina Bo-bi-no
71Marina45.7311,-73.450332021-05-27T19:33:58ZMarina de Repentigny
72Marina45.6496,-73.486992022-09-05T13:58:38ZMarina Montréal
73Marina45.39057,-73.929722022-08-05T20:04:53ZMarina Île Perrot
74Marina48.47949,-68.512672023-03-29T18:51:35ZMarina de Rimouski
http://www.marinarimouski.com
75Marina46.69707,-71.57522025-10-31T15:08:50ZParc Nautique Maurice Grenier
76Marina46.06251,-73.182452021-05-05T23:42:40ZMarina Le Bourg d'eau
77Marina48.3735,-68.724032022-11-15T12:38:40Z
78Marina44.23414,-76.450372020-08-19T19:49:19ZCFB Kingston Yacht Club
[email protected]
+1-613-541-5010 x5483
https://www.cafconnection.ca/Kingston/Adults/Clubs-and-Social-Groups/Sailing-and-Yacht-Club.aspx
79Marina44.23406,-76.450242022-07-27T20:31:21ZCFB Kingston Yacht Club
[email protected]
+1-613-541-5010 x5483
https://www.cafconnection.ca/Kingston/Adults/Clubs-and-Social-Groups/Sailing-and-Yacht-Club.aspx
80Bridge46.3084,-72.56327UnknownClearance height: 2024-04-16T10:02:36Z m
81Bridge46.30645,-72.55991UnknownClearance height: 2024-04-16T10:02:36Z m
82Bridge45.49828,-73.55185UnknownClearance height: 2025-06-06T16:57:10Z m
83Bridge45.49903,-73.55177UnknownClearance height: 2025-06-06T16:57:10Z m
84Bridge45.49589,-73.55208UnknownClearance height: 2025-06-03T14:03:41Z m
85Bridge45.49592,-73.55208UnknownClearance height: 2025-06-03T14:03:41Z m
86Bridge45.49662,-73.55201UnknownClearance height: 2025-06-06T16:57:10Z m
87Bridge45.4967,-73.55148UnknownClearance height: 2025-06-06T16:57:10Z m
88Bridge45.48554,-73.56591UnknownClearance height: 2024-04-21T16:26:36Z m
89Bridge45.48602,-73.565110.5Clearance height: 2024-04-21T16:26:36Z m
90Bridge45.46697,-73.59066UnknownClearance height: 2024-04-21T16:48:22Z m
91Bridge45.46673,-73.59165UnknownClearance height: 2024-04-21T16:48:22Z m
92Bridge45.43108,-73.66861UnknownClearance height: 2024-04-21T16:56:22Z m
93Bridge45.43131,-73.6679UnknownClearance height: 2024-04-21T16:56:22Z m
94Bridge46.30547,-72.5583UnknownClearance height: 2024-04-16T10:02:36Z m
95Slipway46.81904,-71.21143Unknown2016-01-16T20:10:46Z
96Slipway46.82174,-71.21306Unknown2013-06-28T19:44:52Z
97Slipway45.77851,-73.35687small_craft_facility2026-03-21T21:59:09Z
98Slipway44.1307,-76.33051Unknown2025-06-03T16:26:48Z
99Slipway44.32364,-76.16357Unknown2024-08-04T01:42:45Z
Gananoque
100Berth46.79029,-71.225212024-08-15T22:50:01ZQuai 108
101Berth46.7936,-71.222992024-08-15T22:50:01ZQuai 105
102Berth46.79254,-71.225152024-08-15T22:50:01ZQuai 106
103Berth46.79171,-71.225832024-08-15T22:50:01ZQuai 107
104Berth46.7955,-71.218492024-08-15T22:50:01ZQuai 103
105Berth46.79463,-71.220852024-08-15T22:50:01ZQuai 104
106Berth46.7975,-71.214852024-08-15T22:50:01ZQuai 101
107Berth46.79664,-71.21662024-08-15T22:50:01ZQuai 102
108Fuel station45.01358,-74.718712025-08-15T18:36:29ZMarina 200
07:00-23:00
108Fuel station45.01358,-74.718712025-08-15T18:36:29ZMarina 200
07:00-23:00
109Lock45.49864,-73.5518Unknown
110Lock45.49638,-73.55199Unknown
111Lock45.48548,-73.56542Unknown
112Lock45.46683,-73.59115Unknown
113Lock45.43117,-73.66824Unknown
114Lock44.98784,-74.77771Unknown
115Lock44.97925,-74.85011Unknown
116Lock45.49416,-73.51737Unknown
117Lock45.40809,-73.56681Unknown
118Lock45.31646,-73.91876Unknown
118Lock45.31646,-73.91876Unknown



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