Is prior open water swimming experience required?

Yes, participants should be comfortable swimming several kilometers in the ocean with variable conditions.

What is the best time of year to take this tour?

Late spring through early fall offers the warmest water and best weather for swimming.

Are safety measures provided during the swim?

Experienced guides accompany the swim with boat and kayak support for groups over eight people.

Will I see wildlife during the tour?

Yes, dolphin sightings are common on the boat ride back, and marine biodiversity can be observed near Pedra da Anicha.

Is equipment provided or should I bring my own?

Personal swimming equipment like wetsuits and goggles are not provided and should be brought by participants.

Where does the tour start and end?

The tour begins at Marina de Sesimbra and concludes with a boat return to the same location.

Explore Portugal’s Serra da Arrábida with a Half-Day Open Water Swim Adventure | Guided Tour | Boat Tour

Situated along Portugal’s Atlantic coastline near Lisbon, the Serra da Arrábida Natural Park offers an exceptional blend of rugged cliffs, crystal-clear waters, and serene beaches. The Arrábida Island Tour - Half Day invites adventurous travelers to experience this pristine coastal wilderness through a dynamic open water swim, covering 3 to 5 kilometers through some of the region’s most stunning seascapes.

Your journey begins at the Marina de Sesimbra, a quaint fishing town just a short drive from Lisbon. From here, a scenic boat transfer whisks you to Praia de Alpertuche, a tucked-away beach known for its fine white sands and turquoise water. As you plunge into the Atlantic, you’ll swim alongside dramatic cliffs that rise directly from the sea, offering breathtaking views and a rare closeness to nature. One of the standout features on this route is Pedra da Anicha, a unique rock formation renowned for its vibrant marine biodiversity.

The swim adventure leads you steadily toward Galapinhos Beach, a secluded cove embraced by steep cliffs—a spot often described as paradise for swimmers and nature lovers alike. The water temperature, ranging from 14ºC to 22ºC, refreshes and energizes while you navigate this coastal playground. After reaching Galapinhos, your expedition concludes with a relaxing boat ride back to Sesimbra. Along the way, keep an eye out for dolphins, frequent visitors delighting swimmers and boaters with their acrobatics.

This tour is expertly guided, ensuring a safe and insightful experience. The inclusion of personal accident insurance and kayak or boat support for groups provides peace of mind as you enjoy the Atlantic’s open waters. Enhancing the local flavor, participants receive a traditional regional cake upon completion, rounding off a culturally rich adventure.

Why book this tour? It’s a rare opportunity to combine fitness with exploration in one the Iberian Peninsula’s best-kept secrets—where limestone cliffs plunge into the ocean, and local biodiversity thrives both above and below the waterline. Active travelers looking for a short, rewarding immersion in nature will find this half-day swim an invigorating, memorable introduction to Portugal’s coastal splendor. Plus, being centered just 40 kilometers from Lisbon makes it an accessible escape from the city’s bustle.

Perfect for swimmers with some open water experience, this trip offers a refreshing blend of challenge and natural beauty, supported by knowledgeable guides and local expertise. Whether you’re chasing scenic vistas, hoping to glimpse dolphins, or eager to swim clear blue waters flanked by towering cliffs, the Arrábida Island Tour stands out as a must-do experience along Portugal’s southwestern coast.

About Swim Together

Swim Together is a specialist operator offering guided open‑water swimming tours and multi‑day swim camps across Portugal and São Tomé and Príncipe. The company curates coastal and island swim experiences that range from half‑day cave and coastline swims to a seven‑day swim camp in São Tomé and Príncipe. Trips include cave explorations (Benagil, Lagos, Sagres), protected marine reserves (Garajau), island coastlines (Madeira, Ponta São Lourenço), and sandy Algarve beaches. Many experiences are led by experienced instructors and local guides who tailor routes to swimmer skill levels and safety conditions.

Swim Together focuses on accessible, skill‑based open‑water sessions, combining navigation of sea caves, guided coastal swims, boat transfers, and onshore returns. Several tours include opportunities to spot marine life and dolphins, and some multi‑day itineraries feature cultural exploration, hiking to waterfalls, local cuisine, and wildlife events such as the release of baby turtles. The São Tomé and Príncipe Swim Camp includes an equator crossing experience and immersive island activities.

Service offerings are factual and clearly described per trip: half‑day tours, full‑day beach and cave adventures, boat returns, and week‑long swim camps. Routes and distances (for example, multi‑kilometre cave swims around Ponte da Piedade and Benagil) are presented within trip details so swimmers can assess suitability. Booking information, meeting points, and required equipment are specified in each trip listing. Swim Together presents a focused portfolio for travelers seeking guided open‑water swimming and coastal exploration in Portugal and São Tomé and Príncipe. Trip difficulty levels and safety protocols are listed per excursion online.