Avencas dive guide.

Depth

4-14 m

Level

Beginner to Intermediate

Access

Shore dive in the Cascais coastline and Avencas marine protected area; entry and exit depend on tide, swell and local restrictions.

Best season

Calm, low-swell days are essential; winter swell often makes shore access unsuitable.

Safety

Check protected-area rules, avoid fragile reef contact and carry surface signaling equipment.

Hours

No fixed public hours. Boat departures, protected-area access and shore entries depend on operators, permits and sea state.