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Pessegueiro Island

Island

Off Portugal's Alentejo coast, Pessegueiro Island preserves Roman and medieval fort remains and limited visitor access by boat. Tour operators combine island trips with nearby Porto Covo beaches and coastal walking routes.

Pessegueiro Island LisbonSintraCascaisSetúbalComporta (civil parish)Jerónimos MonasteryCabo da RocaAmadoraPessegueiro Island

Pessegueiro Island essentials

Address: Ilha do Pessegueiro, Sines municipality, Setúbal District, Portugal

About Pessegueiro Island

Pessegueiro Island (Ilha do Pessegueiro) is a small island off the southwest coast of Portugal in Setúbal District, noted for archaeological remains and ruined fortifications. It sits close to the mainland shore near the village of Porto Covo.

Visitors see visible ruins of Roman-period fish-processing structures and later fortifications on the island; viewing is typically from boats or coastal viewpoints because the island is not broadly developed for tourism. The ruins attest to maritime activity in the area from antiquity through the early modern period.

Archaeological evidence on the island includes Roman-era installations related to fish salting and processing. Defensive structures were added in later centuries as coastal fortifications, leaving ruined masonry that survives today.

Located a short distance offshore from the Alentejo coast near Porto Covo in Setúbal District, the island is part of the coastal seascape of southwestern Portugal.

  • Viewing: The island is small and visible from the Porto Covo and Pessegueiro shoreline; boat trips or coastal viewpoints from the mainland are the normal ways to see it.

What to See#

  • Roman ruins: Archaeological remains of a Roman-era fish-salting facility and associated structures that lie along the island’s shoreline.
  • Fort ruins: Ruined coastal fortifications dating from later defensive efforts on the island; the earthworks and masonry are visible from the sea and shore.
When to Go

Best Time to Visit Pessegueiro Island

Summer months provide the most regular boat access and calm seas; confirm schedules with local tour operators.

Summer
June-September · 18-28°C (64-82°F)
Calm seas and regular boat tours; best for landing and swimming near the island.
Spring & Autumn
April-May, October · 12-22°C (54-72°F)
Fewer tourists and cooler air; some tour operators reduce services.

Weather & Climate near Pessegueiro Island

Climate

Temperate climate with warm summers (peaking in August) and cool winters (coldest in January). Temperatures range from 8°C to 26°C. Moderate rainfall (558 mm/year) with a pronounced dry season.

Air Quality: AQI 30 Good
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
41°
Warmest Month
-1°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Very Good 8° - 15° 12° 82 mm partly cloudy 83% 3.6 m/s 0.4 low 9.8h
February Very Good 8° - 16° 12° 67 mm some cloud 81% 3.8 m/s 0.6 moderate 10.7h
March Very Good 10° - 18° 14° 43 mm partly cloudy 78% 4.0 m/s 1.0 high 11.8h
April Very Good 11° - 19° 15° 48 mm some cloud 75% 4.1 m/s 1.4 high 13.0h
May Excellent 12° - 21° 17° 34 mm mostly sunny 69% 4.1 m/s 1.9 very high 14.0h
June Ideal 14° - 24° 19° 14 mm mostly sunny 66% 4.1 m/s 2.2 extreme 14.5h
July Ideal 15° - 26° 20° 3 mm clear 65% 4.3 m/s 2.3 extreme 14.3h
August Ideal 16° - 26° 21° 4 mm clear 65% 4.0 m/s 2.0 extreme 13.4h
September Ideal 15° - 25° 20° 20 mm mostly sunny 69% 3.5 m/s 1.4 high 12.3h
October Excellent 14° - 22° 18° 59 mm some cloud 74% 3.5 m/s 0.9 moderate 11.1h
November Very Good 11° - 18° 15° 86 mm some cloud 80% 3.6 m/s 0.5 low 10.0h
December Very Good 9° - 16° 12° 98 mm partly cloudy 84% 3.8 m/s 0.3 low 9.5h
Getting There & Around

How to Get to Pessegueiro Island

Access to Pessegueiro is by private boat or seasonal tours departing from towns such as Porto Covo and Sines. The nearest road access is via the N120 and regional coastal roads; Sines is the closest town with transport links.

Tips for Visiting Pessegueiro Island

  • If visiting by small boat, coordinate with local skippers for safe landings - currents can be tricky near the island.
  • Bring binoculars: the island has seabirds and the ruins of an early-17th-century fort are best viewed from the water.
  • The surrounding coastline's tides and shoals make timing important; local mariners know the safer approach channels.