You can take a bus from Montezuma to Nosara via San Jose in around 12 h.
How to get from Montezuma to Nosara
From Montezuma bus to San Jose then bus to Nosara, Cantón Nicoya, Provincia Guanacaste, 50206, Costa Rica. 12 h $20. From Montezuma taxi to Nosara. 2 h 48 min $176. From Montezuma drive to Nosara. 2 h 48 min $13.