El Estero (Tamarindo)

El Estero is a Tamarindo river-mouth surf break positioned near the estuary/river outflow, where waves peel both left and right over a sandy bottom. Across sources, the best results are consistently tied to tide stage: mid tide (often with a rising mid-tide preference) tends to smooth things out and improve consistency, while low tide increases the chance of shallow sections and exposed rocks. Wind also drives quality. Morning sessions are described as cleaner and more likely to be offshore/light, whereas afternoons often bring onshore tendencies (sea-breeze influence) and can make the water choppier. For kite riders, the spot is described as a workable secondary option when northwest sea breezes fill in, blending flatter estuary water with smaller wave influence near the mouth. Hazards are an important part of the spot profile. Multiple sources warn about shallow/rocky hazards at low tide, strong tidal currents from the river/estuary, and submerged debris. Wildlife hazards are specifically mentioned for the estuary (crocodiles) and also sharks in other spot guidance; pollution after heavy rain is also reported, so conditions can deteriorate during the wet season. The break is widely used by surf tourists and locals because it sits in the central Tamarindo surf zone with easy access and plenty of amenities. Crowds tend to be heavier on weekends and during peak holiday periods, while weekdays generally feel quieter. If you go, prioritize a careful tide check and avoid the riskiest water times in/near the estuary—especially dawn and dusk—then aim for mid-tide windows when wind/wave directions combine cleanly.