Cancun to Belize City Sea Distance Calculator

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

Distance: 289.4 nm; nautical miles
Under Sail: 2.4 days; at 5 knots
Under Power: 29 hours; at 10 knots
Best Time: December-April; Typical Sailing Season

Distance follows a sea-lane route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

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Distance: 289.4 nautical miles

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

Passage details

This is a moderately indirect coastal passage: the navigable route runs 24% longer than the 232 nm direct line, its heading turning from south to north. It is an international crossing between two countries.

Sea distance: 289.4 nm (535.9 km)
Direct line: 232.4 nm24% longer
Great-circle bearing: 199° (south-southwest)
Sea area: Caribbean Sea
Geographic extent: 3.9° × 1.4°
Crossing: Cross-border · Same region
From: Cancun (Mexico) 21.1619, -86.8515
To: Belize City (Belize) 17.5046, -88.1962
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	2.4 days
8 kn	36 hours
10 kn	29 hours
12 kn	24 hours

Distance follows a sea-lane route generated from marine traffic lanes; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Cancun to Belize City Route

The maritime route from Cancun to Belize City is a overnight offshore international passage connecting two major commercial ports in the Caribbean region. Mariners on this leg typically prepare for the hurricane season June through November.

This route runs within the same maritime region, connecting Cancun in Mexico with Belize City in Belize.

Navigation Tips

•On this overnight offshore international crossing in the Caribbean region, prepare for the hurricane season June through November, particularly in peak season.
•For a overnight offshore route, plan fuel and provisioning around the Caribbean region — calculate consumption with our tool.
•Verify port-entry requirements at both ends of this international route within the same maritime region before you depart.
•Check safety gear suited to Caribbean conditions before a overnight offshore passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this international route within the same maritime region.

More Routes from Cancun

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Frequently Asked Questions

How far is it from Cancun to Belize City by sea?

The sea distance from Cancun to Belize City is approximately 289.4 nautical miles — a overnight offshore passage in Caribbean.

How long does it take to sail from Cancun to Belize City?

A overnight offshore within the same maritime region crossing of 289.4 nautical miles typically takes 1.2 days – 2.4 days, depending on vessel and weather.

What's the best time to sail from Cancun to Belize City?

The best time for this route in Caribbean is December-April, when conditions are most favourable; expect the hurricane season June through November outside that window.

Plan Your Perfect Maritime Journey

Use our advanced calculator above to customize your route, add waypoints, calculate fuel costs, and share your journey plan with crew members.

Plan another route with our Sea Distance Calculator Navigation Guide