Great Lakes Ontario marine fuel insights
Fuel dock prices on the Canadian side of the Great Lakes and the St. Lawrence.
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Cheapest and most expensive stations in Canada
Top 5 cheapest
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Top 5 most expensive
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Leaderboards are scoped to Canada — region-scoped rankings arrive when station search gains bbox filtering.
Browse the Great Lakes Ontario map
All prices are observed daily averages in native currencies — not forecasts. Cross-currency comparisons require FX conversion (coming soon). Data freshness varies by source — see Data Sources for partner update cadence.
Plan smarter passages with SeaSure
Marine Fuel Map is part of SeaSure — your AI-powered cruising companion. Pricing trends are one input; weather, currents, fuel burn, and customs all live in the same plan when you use SeaSure.