Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Playa Azul
Low-key beach settlement north of Ostional with a simple, local feel.
Playa La Luna
A small cove north of Ostional known locally for its calm, secluded feel.
Playa Marbella
Remote surf beach north of the Ostional-Nosara zone, useful for adventurous surf travelers.
Playa Nosarita
Lesser-known sand near Ostional with a raw coastal feel and minimal development.
Playa Ostional
World-known turtle nesting beach and the region’s most important conservation shoreline.
Ostional sits in Guanacaste, Costa Rica and is home to 5 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.
Whether you're after the highest-scoring beach in Ostional or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
