Cozumel to Cancun Sea Distance Calculator

Calculate the exact nautical distance from Cozumel, Mexico to Cancun, Mexico. Plan your maritime journey with our professional route calculator.

Distance: ≈ 39.6 nm; nautical miles
Under Sail: 8 hours; at 5 knots
Under Power: 4 hours; at 10 knots
Best Time: December-April; Typical Sailing Season

Distance is a direct-line estimate (≈) and may differ from a navigable sea route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

Loading map...

Distance: 39.6 nautical miles

🧮 Open Interactive Calculator

This map shows the direct sea route from Cozumel to Cancun. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a coastal passage: holding a steady north course.

Sea distance: ≈ 39.6 nm (73.3 km)
Direct line: 39.6 nm
Great-circle bearing: 8° (north)
Sea area: Caribbean Sea
Geographic extent: 0.7° × 0.1°
Crossing: Domestic · Same region
From: Cozumel (Mexico) 20.5083, -86.9458
To: Cancun (Mexico) 21.1619, -86.8515
Route basis: Direct-line estimate

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	8 hours
8 kn	5 hours
10 kn	4 hours
12 kn	3 hours

Distance is a direct-line (great-circle) estimate; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Cozumel to Cancun Route

Linking Cozumel and Cancun, this brief day-sail domestic crossing serving a major port and an island destination sits in the Caribbean region — a passage shaped by persistent easterly trade winds and lee-shore swells.

The lane links Cozumel (Mexico) and Cancun (Mexico), within the same maritime region.

Navigation Tips

•A brief day-sail domestic passage in the Caribbean region typically requires planning for persistent easterly trade winds and lee-shore swells.
•A brief day-sail leg in Caribbean benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this domestic crossing within the same maritime region, since rules vary by port.
•Verify that emergency equipment matches the demands of a brief day-sail leg in Caribbean.
•Documentation requirements differ for domestic passages within the same maritime region; verify cruising permits in advance.