The Condado Lagoon separates the hotel strip from the quieter residential neighborhood of Miramar to the south, creating the narrow isthmus that defines Condado's geography. The water is brackish and calmer than the ocean side, which makes it ideal for kayaking and paddleboarding — several outfitters near the lagoon's edges rent equipment by the hour, and conditions are typically forgiving enough for beginners. Early mornings on the lagoon are notably peaceful: pelicans fish, local rowers come through, and the hotel towers reflect in still water before the tourist traffic picks up.
The Paseo del Condado boardwalk runs along the lagoon's northern edge, connecting several small plazas and parks. It's a better walking and jogging route than the busy Ashford Avenue one block over, and it gives you a different perspective on the neighborhood — quieter, with more locals than visitors. At the western end, the lagoon connects to the ocean through a channel where you can often see mullet jumping. The mangrove edges have been partially restored and now support decent birdlife, including herons and the occasional kingfisher.