Praia de São Julião is an expansive sandy beach, generally considered suitable for families. However, as an Atlantic beach, it can experience strong currents and waves, particularly good for surfing. While the wide sandy stretch offers plenty of space for children to play, parents should always supervise them closely in the water. Look for any lifeguard presence during peak season and heed their advice regarding swimming conditions.

The best time to visit Praia de São Julião is during the 'Best Weather' period, typically from late spring through early autumn (May to September). These months offer warmer temperatures, more sunshine, and generally calmer conditions for beachgoers, though the Atlantic surf remains consistent for surfers. This period is ideal for enjoying the expansive sands, sunbathing, and various water sports.

Praia de São Julião is located between São João das Lampas and Terrugem. It's most easily accessible by car, with ample parking usually available near the beach access points, especially compared to some smaller, more secluded beaches. While public transport might be an option from nearby towns, driving offers the most convenience and flexibility to reach this somewhat 'hidden' gem along the Sintra coastline.

Praia de São Julião is less developed than some other beaches, maintaining its natural charm. You might find a beach bar or a small restaurant operating during the peak season, offering light meals and refreshments. For more extensive dining options and accommodations, you would typically need to venture into the nearby villages of São João das Lampas or Terrugem, or further into Sintra.

Praia de São Julião is known for its consistent waves and expansive sandy bottom, making it a popular spot for surfing. It offers conditions suitable for various skill levels, from beginners to more experienced surfers, depending on the day's swell. There are often surf schools operating on the beach during peak season, providing lessons and equipment rentals, making it accessible for those looking to try surfing.