Safety · Destination Guide
A protected reef, quick boat rides, and cenote adventures from a laid-back Riviera Maya base
Updated Jan 23, 2026 • 16 sources
Puerto Morelos diving is generally accessible, but it operates inside a regulated national park with strict conservation rules and real weather disruptions. Your safest plan is to follow local briefings, keep a flexible schedule, and carry reliable dive insurance.
Night dives are possible but regulated by park rules and operator approval. Confirm timing and permitted areas with your operator before you plan your trip around night dives.
For diving incidents, call local emergency services first if there is an immediate threat to life, then contact DAN for medical coordination. Hyperbaric facilities serving the Riviera Maya region include Playa del Carmen and Cancun area providers. Keep key numbers saved offline before you travel.
Nortes can cancel boats
Strong cold-front winds in October to January can make the sea rough and shut down small-boat trips. Build a cenote or ruins backup into your schedule.
Sargassum impacts beach days
Sargassum is variable but often higher from spring through early fall. It can affect shore swimming and beach comfort even when offshore reef trips are still possible.
Boat traffic near the reef
The park is an active boating area. Listen for instructions, surface with an SMB when appropriate, and stay close to your group during snorkel and freedive sessions.
Reef contact is both risky and prohibited
Park rules require keeping distance from corals and restrict gloves and certain tools. Poor buoyancy can cause damage and end the dive for your group.
Puerto Morelos is inside a national park, so low-impact behavior is not optional.
Paying the park fee supports management, signage, and enforcement. Choose operators who brief conservation rules clearly and model good buoyancy and group control.
Do Not Do This
Avoid entering when nortes can cancel boats. Confirm local briefings before committing.
| Contact | Role | Phone | Availability |
|---|---|---|---|
| Emergency Services (Mexico) | Police, medical, fire | 911 | 24/7 |
| CONANP Arrecife de Puerto Morelos National Park Office | Protected area office | +52 (998) 8710525 | Office hours |
| DAN Emergency Hotline | Diving emergency medical assistance | +1-919-684-9111 | 24/7 |
| DAN Spanish Emergency Hotline | Diving emergency medical assistance (Spanish) | +52-557-100-0540 | 24/7 |
| Playa International Clinic | Hyperbaric chamber (Playa del Carmen) | (984) 803 12 15 | 24/7 for emergencies (call first) |
| Costamed Puerto Morelos | Hospital and emergency support | 998 500 2505 | 24/7 (verify locally) |