Sesimbra operator page describing a similar sheltered arch profile and beginner-friendly conditions in the same area.
Sheltered Sesimbra rock arch with easy boat access
Sheltered Sesimbra rock arch with easy boat access
Save it, log a dive, or explore nearby on the map.
Save it to come back later
A Sesimbra operator is the practical way to time the boat and choose a calm day.
Pedra do Spinola is a sheltered Sesimbra boat dive built around a shallow rock arch, a short passage, and easy reef-like structure on calm water. It suits relaxed scuba, snorkeling, and newer certified divers, with schooling fish under the arch and a day plan that stays simple when the sea is settled, making it a good low-stress choice for a calm-water Sesimbra run.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
4m - 14m
Depth Note
Public listings place the arch in the 4 to 14 m range, with the passage around 5 to 6 m and sand below.
Best Season
Year-round, with the calmest windows in late spring and summer.
Typical Conditions
Sheltered rock arch with a shallow sand line, light flow, and calm-water conditions that work well for newer divers.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Keep buoyancy controlled through the arch and pick a calm boat window if you want the easiest version of the site.
Access Restrictions
Boat access from Sesimbra is the normal route; use an operator that knows the sheltered approach.
Legal Notes
Follow Sesimbra and Arrabida protected-area rules, plus the boat captain's entry plan.
Community notes to help plan your visit.
Scuba Diving
An easy Open Water-level site for relaxed scuba and beginner progression.
Freediving
Usable for calm-day freediving, but the site is more naturally a casual scuba and snorkel stop.
Snorkeling
Good snorkel site on calm days, especially around the arch and shallow rock.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Sesimbra operator page describing a similar sheltered arch profile and beginner-friendly conditions in the same area.
Independent local spot page with depth, boat entry, and marine-life details for the Sesimbra rock arch.
Official Sesimbra coverage naming Pedra do Spinola among the town's key dive spots.
Know this site? Improve Spot Details.

Shallow beginner-friendly Cascais reef with sand, ledges, and small passages.

Cascais rocky coast dive with gullies, nudibranchs, and reef edges.

Cascais cave-and-passage boat dive with easy scenic reef life.

Boat-access Cascais reef with octopus, wrasse, and rock relief.

Sheltered boat dive with rocky cut-throughs and easy conditions.