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Open Water Adventure with Swim Together in Arrábida - Lisboa

Open Water Adventure with Swim Together in Arrábida

Sesimbramoderate

Difficulty

moderate

Duration

4–6 hours including swim and boat ride

Fitness Level

Participants should have good endurance and comfort with open water swimming over several kilometers.

Overview

Swim Together’s Arrábida Island Tour offers a stunning open water swim from Alpertuche Beach to Galapinhos Beach in Portugal’s Serra da Arrábida Natural Park. This day trip includes a scenic boat ride back with dolphin sightings and a local lunch in Sesimbra.

Adventure Tips

Check Water Temperature Beforehand

Water temperatures fluctuate between 14ºC and 22ºC; bring a suitable wetsuit to stay comfortable.

Bring Open Water Swimming Experience

This swim covers 3–5 km in open ocean conditions, so prior endurance swimming is recommended.

Arrive Early at Marina de Sesimbra

Punctual arrival at the meeting point ensures a timely start and full safety briefing.

Sun Protection is Key

Even with partial boat time, swimmers spend hours exposed to sun—use waterproof sunscreen and wear a swim cap.

Local Insights

Wildlife

  • Common dolphins frequently sighted on boat return trips
  • Mediterranean monk seals occasionally spotted along the rocky coastlines

History

The Serra da Arrábida park was established in 1976, protecting one of Portugal’s last remaining Mediterranean ecosystems and a rich maritime habitat vital to local fishing communities.

Conservation

Swim Together practices low-impact tourism by limiting group sizes and educating participants on preserving marine biodiversity and minimizing waste on land and sea.

Frequently Asked Questions

Recommended Gear

Wetsuit

Essential

Keeps you insulated in cooler Atlantic waters for comfort and safety.

spring|fall|winter specific

Swim Cap

Essential

Improves visibility during the swim and helps retain heat.

all specific

Waterproof Sunscreen

Essential

Protects skin from extended sun exposure on water and during boat rides.

summer specific

Water Shoes

Helpful for rocky entry and exit points on beaches along the route.

all specific

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