Nicoya Peninsula
| Nicoya Peninsula | ||
 Satellite image |
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| Geographical location | ||
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| Coordinates | 10 ° 0 ′ N , 85 ° 24 ′ W | |
| Waters 1 | Pacific Ocean | |
| Waters 2 | Gulf of Nicoya | |
| length | 100 km | |
The Nicoya Peninsula is separated from mainland Costa Rica by the Gulf of Nicoya . In the north-west of the country and thus on the Pacific Ocean , the northern part is in the province of Guanacaste and the southern part in the province of Puntarenas .