It's not just swimming, it's proving to yourself that you can. Your goal is on the other side.
Choose Your Challenge
Half Crossing 4.5km
Experience the vibrant reef and enjoy the endless blue.
Full Crossing 10km
The ultimate endurance test crossing to the heart of Isla Mujeres.
I'm a Companion
Family & friends of the competitor
Pricing by Phase
pool Full Crossing 10km
waves Crossing 4.5km
Want to Take Your Preparation Further?
Join our exclusive open water classes in Cancún with Cormoranes. Professional coaching to conquer the distance.
Plans & Pricing
Registration: $450
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$700 1x per Weekpool
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$1,000 3x per Weekpool
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$1,400 6x per Weekverified
January 2026 Calendar
Season Kickoff
Physical & Technical Assessment
Challenge: From 0 to 10km
Official program launch
First Long Swim
Open sea endurance training
Testimonials
"Swimming with Cormoranes is an experience among friends where we look out for each other. 10 kilometers that changed my life."
Arturo Lopez
Cancún – Isla Mujeres Crossing
"Completing the crossing after 5 months of training changed my life… Nothing is impossible — you just have to try."
- Laura Come True
The Complete Experience
What's Included in Your Kit?
Official Jersey
High-performance fabric
Event Bag
Waterproof gear bag
Finisher Medal
Collectible design
Complete Package
- check_circle Registration
- check_circle Full Kit
- check_circle Recovery Meal
- check_circle Ferry Return
You Swim, We Watch
Your safety is our absolute priority. We deploy a security perimeter with international standards so you can focus solely on enjoying the blue.
Safety Boats
Boats with lifeguards patrolling the entire route.
Medical Units
Advanced life support vessels on standby.
Support Fleet
50+ Kayaks & 10 Boats patrolling.
Live Telemetry
Chip tracking for every swimmer.
Certified Protocol
International Standards
Swimmers' Stories
"Thinking about the crossing is a mental challenge, but seeing the reef beneath you makes every stroke worth it. Unforgettable."
Ivonne
4.5km Finisher
"I never felt safer in open water. The support team is everywhere. You just focus on swimming and enjoying."
Laura
Elite 10km
"Crossing from Cancún to the Island is something you must do once in your lifetime. The energy at the finish line is incredible. Highly recommended."
Arturo
Pro Open Water
Past Events Gallery
Instagram Reels
Swipe for daily inspiration
Tips de nado 🏊♂️ #AguasAbiertas
¡Energía del día de carrera! 🔥
Momentos en la meta 🥇
Safety ready 🚤