Not the most inviting name, but this is a popular beach and another good place to watch the sunset.
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El Morro de Lechería
Fort of colonial Spain's built around 1799 to defend against English, French, Dutch intruders and no-good pirates seeking to pillage the new colony of Barcelona or occupy this prized location next to the Neveri River. The grounds are somewhat interesting, and the views and photo opportunities are also worthwhile. Might be better not to hang out for too long after dark.
This great vantage point on the arid Isla El Morro peninsula replete with a virgin Mary monument will give you a chance to view the mainland of Venezuela as well as some of the islands of Parque Mochima. You can also walk out to the tip of the peninsula or ride a bike on various trails, visit El Morro beach below the mirador, or take in a sunrise/sunset.
Another great beach requiring marine transport since it's on Chimana Grande Island.
A pretty alluring beach that is part of Parque Nacional Mochima that requires taking a boat to reach. One possible transport option is with Paraiso Angostura Tours.