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OpenWaterAtlas

Banco Chinchorro

Banco Chinchorro is Mexico's largest coral atoll and a remote advanced dive destination with wrecks, walls, and pristine reef structure.

⭐ Best for advanced divers.

updated 6 months ago
Difficulty
Advanced
Depth
5–40 m
BoatOnlyAdvancedOnlyWreckDrift dive
+2 more
CurrentVariesWideAngleSpot

At a glance

Activity
dive
Difficulty
advanced
Depth
5–40 m

Map

This spot Airport Nearby spots
© OpenStreetMap · CARTO
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
2.5 kn
Wave
0.6 m
Water
29.4°C
N E S W
Wind direction (7d)
Primary: ENE (48%)
Now: ENE (77°)
Tide (7 days)
range: 0.25m

Today: High 17:00 (+0.31m), Low 23:00 (+0.1m)

+0.3 m+0.1 m
▲ 17:00 · +0.31m ▼ 23:00 · +0.1m ▲ 06:00 · +0.33m ▼ 12:00 · +0.14m Now +0.3m
Tue 3Wed 4Thu 5Fri 6Sat 7Sun 8Mon 9
UV7.25 · high Air PM2.55 · good 06:50 18:15
Day Wind Wave UV Rain
11-03 11.3 0.64 7 1mm
11-04 9.4 0.64 7 0mm
11-05 9.7 0.46 7 2mm
11-06 9.1 0.42 7 1mm
11-07 11.6 0.48 7 6mm
11-08 10.4 0.78 7 6mm
11-09 11.8 0.86 7 1mm

About this spot

Banco Chinchorro sits off Mexico's Caribbean coast as the country's largest coral atoll system. The site spans a massive underwater plateau with depths ranging from 5 to 40 meters, making it suitable for intermediate to advanced divers seeking technical challenges and pristine conditions. The atoll is famous for its dramatic wall dives, coral formations, and a collection of shipwrecks scattered across the seafloor. These wrecks tell the story of maritime traffic through the Caribbean and provide excellent exploration opportunities for experienced divers. The shallow reef sections contrast sharply with steep drop-offs, creating diverse dive profiles within a single trip. Access to Banco Chinchorro requires advance planning and typically involves charter boat operations from the mainland. The remote location means fewer dive operators and smaller daily visitor numbers, preserving the reef ecosystem and offering a wilderness dive experience. Divers should be comfortable with boat entries, strong currents, and navigation in open water. The atoll operates outside marine protection zones, allowing flexible dive operations year-round. Its isolation from major coastal development keeps the reef structure relatively intact, with healthy coral colonies and active fish populations supporting the diving experience.

📖 Guide: Diving in Mexico: 51 Sites from Cenotes to Shark Dives

Dive types

WallWreckReefBoat

Trip essentials

Everything you need before you pack — checklist, sun, logistics.

Trip checklist

  • 🛂 Visa-free or visa-on-arrival
  • 📜 C-card + dive insurance (DAN)
  • 📔 Dive logbook
  • 🧴 Reef-safe sunscreen SPF 50+
  • 🔌 Plug type A/B · 127V adapter
  • 💊 Seasickness meds + ear drops
  • 📱 Offline maps + emergency contact

Quick facts

  • 🌘 Moon Waning crescent · 38%
  • GPS
› Sustainability disclosures
🌍 CO2 footprint LHR ↔ 8187km · ~1883kg · €34

From your departure country

United States
Origin score: 96/100
  • Visa: Visa-free · 90 days max
  • Flight: 11h · direct
  • Jet-lag: 1h east · 1 day recovery

FAQ

›When is the best time to dive Banco Chinchorro?

Banco Chinchorro is diveable year-round. Calmer seas and better weather typically occur in drier months, though exact seasonal patterns depend on Caribbean conditions. Check with charter operators for current conditions before booking.

›What experience level do I need for Banco Chinchorro?

Banco Chinchorro is rated advanced. Depths to 40 meters, strong currents, wreck navigation, and open-water boat diving require solid buoyancy control, navigation skills, and experience with multi-level dive profiles.

›What marine life will I see?

Banco Chinchorro hosts Caribbean reef fish, groupers, snappers, and pelagics. Sharks, rays, and large schools are common in deeper sections. Coral colonies provide habitat structure. Specific species checklists vary by dive site and season.

›Do I need permits or special access?

Banco Chinchorro is accessed via licensed charter operations. Divers must book with established operators familiar with the atoll. Bring valid passport and dive certification. Check current Mexican maritime and fisheries requirements before travel.

Verified marine species observations

57 records · 28 species · sources: OBIS, GBIF

Palythoa caribaeorum

Anthozoa · Sphenopidae
GBIF
Last seen:
27 Apr 2026
×4records

Petrochirus diogenes

Malacostraca · Diogenidae
GBIF
Last seen:
27 Apr 2026
×2records

Montastraea cavernosa

Anthozoa · Montastraeidae
GBIF
Last seen:
27 Apr 2026
×2records

Aplysia dactylomela

Gastropoda · Aplysiidae
GBIF
Last seen:
27 Apr 2026
×2records

Gorgonia Linnaeus, 1758

Anthozoa · Gorgoniidae
GBIF
Last seen:
27 Apr 2026
×1records

Favia fragum

Anthozoa · Faviidae
GBIF
Last seen:
27 Apr 2026
×1records

Faviidae

Anthozoa · Faviidae
GBIF
Last seen:
27 Apr 2026
×1records

Stenorhynchus seticornis

Malacostraca · Inachoididae
GBIF
Last seen:
27 Apr 2026
×1records

Pennaria disticha

Hydrozoa · Pennariidae
GBIF
Last seen:
27 Apr 2026
×1records

Condylactis gigantea

Anthozoa · Actiniidae
GBIF
Last seen:
27 Apr 2026
×1records

Acanthopleura granulata

Polyplacophora · Chitonidae
GBIF
Last seen:
26 Apr 2026
×6records

Stichodactyla helianthus

Anthozoa · Stichodactylidae
GBIF
Last seen:
26 Apr 2026
×4records

Data: 187,991 observations from OBIS (Ocean Biodiversity Information System) and GBIF (Global Biodiversity Information Facility). CC-BY 4.0.

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