La Boca is a beach located in Concón, within the Provincia de Valparaíso, Chile. This beach is situated at the mouth of the Río Rapel. The overall character of the area is that of a popular and accessible beginner-friendly surf spot, with multiple surf schools operating there. This results in a busy, sometimes chaotic lineup, especially on weekends, dominated by learners and instructors. For paddlers seeking to launch kayaks, SUPs, or surf skis from the shore, this means the surf zone can be crowded with surfers, making dawn patrol or weekday mornings the best times for a more manageable experience with more space. The beachfront is developed, with apartments and restaurants directly on the coast, indicating convenient access to amenities. The beach is a known access point for the Río Rapel, suggesting that paddlers can explore the river mouth and potentially venture into the river itself from this launch. The aesthetic involves a coastal river mouth setting, with sunsets noted as a feature. The area is part of Chile's Fifth Region, a central coastal area known for its surf culture. The primary considerations for paddlers are the significant crowd levels from surf schools and recreational surfers, which create a major factor in timing a launch, and the exposure to typical Pacific Ocean conditions at a river mouth.