상 마르티뉴 두 포르투

The bay of São Martinho do Porto is a rare, naturally occurring shell-shaped formation. This unique shape, with only a narrow entrance to the Atlantic, creates exceptionally calm, sheltered, and clear waters. This protection from strong ocean currents and waves makes it ideal for swimming, paddleboarding, kayaking, and other water activities, especially for families.

While São Martinho do Porto is generally welcoming, specific rules for dogs on the main beach within the bay can vary by season. During peak summer months, dogs are often restricted from the main swimming areas. However, many of the walking trails and less crowded areas around the bay and towards the Atlantic side are suitable for dog walking, provided they are kept on a leash. Always look for local signage.

Beyond the safe bay for swimming, families can explore the charming old town with its narrow, cobbled streets. A popular activity is visiting the Duna de Salir do Porto, Portugal's highest sand dune, located on the southern side of the bay, which offers opportunities for 'sand surfing' or simply enjoying panoramic views. The promenade is also great for leisurely strolls, and there are various cafes and shops to explore.

The promenade along the bay in São Martinho do Porto is generally flat and well-maintained, making it accessible for wheelchairs and strollers. Many of the restaurants and shops along this area also offer good accessibility. However, the older, upper part of the town features steeper, cobbled streets which may be more challenging. Some viewpoints and natural features like the Duna de Salir do Porto or the tunnel to the Atlantic side might have uneven terrain or steps.

São Martinho do Porto is accessible by bus, with connections from larger cities like Lisbon. The town also had a train station historically, but current rail services might require transfers. For exploring nearby trails, local bus services might connect to surrounding villages, but for ultimate flexibility, a car is often recommended, especially for reaching more remote trailheads.

Generally, no specific permits are required for hiking on the established trails around São Martinho do Porto or for accessing natural features like the Duna de Salir do Porto. Most trails are open to the public. However, if you plan to engage in organized activities or access private land, it's always wise to check local regulations or inquire with tourist information.

While the warmer months are popular for beach activities, the shoulder seasons (spring: April-May, and autumn: September-October) are ideal for hiking. During these periods, the weather is pleasantly mild, and the trails are less crowded than in the peak summer. Winter walks can also be enjoyable, offering crisp air and solitude, though some facilities might have reduced hours.

Hiking trails around São Martinho do Porto vary. Many coastal paths offer relatively flat walks along the bay or cliffs, suitable for most fitness levels. Trails leading to viewpoints, such as Santo António hill, may involve moderate inclines. The area around the Duna de Salir do Porto involves sandy terrain, which can be more challenging. Overall, most trails are considered easy to moderate, with some offering more strenuous climbs for panoramic rewards.

São Martinho do Porto has a charming promenade lined with various shops, offering everything from beachwear and souvenirs to local crafts. For fresh produce and a taste of local life, look for any temporary markets that might be set up in the town square, especially during peak season. These often feature regional specialties and artisanal goods.

The main bay itself offers very calm and safe waters for swimming. For a different experience, the tunnel carved through the rocks on the northern headland provides access to the more powerful Atlantic side. While not suitable for casual swimming due to stronger currents, it offers a dramatic contrast and a sense of wilder coastal exploration. Less crowded spots within the bay might be found further from the main beach area, especially during off-peak times.

São Martinho do Porto has a rich history, first mentioned in 1257 as the seaport for Alcobaça, with significant shipbuilding and fishing activities. In the 19th century, it gained prominence as a seaside resort, frequented by Portuguese nobility and bourgeoisie, earning it the nickname 'bidet of the marquees'. The town's development was further aided by the opening of a train station in 1887, connecting it directly to Lisbon.