Safety · Destination Guide
Atlantic wrecks, caves, and a UNESCO biosphere reserve a short hop from Lisbon
Updated Dec 13, 2025 • 18 sources
This is Atlantic diving in a protected reserve. Plan around swell, current, and cold-water exposure, and treat weather windows with respect. Conservation rules are enforced through access control, and good diver and snorkeler behavior protects fragile wall growth and nesting seabirds.
Always dive with insurance that covers hyperbaric treatment and evacuation for offshore incidents.
Atlantic swell and surge
Even in summer, swell can wrap into coves and create surge at cave mouths and wreck structure. Plan conservative entries and exits and avoid tight overhead areas in surge.
Currents on exposed structure
Several Berlengas wrecks and rock points can run mild to strong current. Carry an SMB, stay with the group, and expect site changes based on conditions.
Cold water exposure
Water is often 16°C to 20°C in high season and cooler outside it. Hypothermia risk is real on long dive days, especially with wind on the boat.
Scorpionfish, urchins, and defensive triggerfish
Several Berlengas sites note venomous scorpionfish and spiny sea urchins on rock and wreck structure. Some areas also report triggerfish behavior. Maintain good buoyancy, watch where you place hands, and keep your distance from nesting or territorial fish.
Berlengas visitor access is managed through BerlengasPass, reinforcing both capacity limits and accountability. Follow ranger guidance, posted signage, and operator briefings.
Do Not Do This
Avoid entering when atlantic swell and surge. Confirm local briefings before committing.
| Contact | Role | Phone | Availability |
|---|---|---|---|
| European emergency number | Police, medical, and fire emergency dispatch | 112 | 24/7 |
| SNS 24 health line | Non-emergency medical advice and triage | 808 24 24 24 | 24/7 |