The peninsula is one of the few places in Cuba where you can access a great beach without staying at a resort hotel. A taxi will take 10-15 min to get there for ~US$6-10, there’s also an (often very overcrowded) bus leaving 4 times a day from the Cubatur and Havanatur (round-trip ~US$2 per person) and the beach is also well within biking distance from Trinidad (though cycling in the hot sun can be quite strenuous). Make sure you have sunscreen and mosquito repellent, especially if you intend to stay on the beach in the evening. Few boats also provide snorkeling facilities.
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Open air location, where there is a small platform from which groups perform at night. Usually, there is salsa music, and great salsa dancers there enjoy the music and dance and perform with foreigners. It is great to enjoy a few drinks there as well.
A museum of mostly furniture from the colonial times.
The cathedral is beautiful inside and has a tower you can climb for a view.
Lucha Contra Bandidos
The museum is in a former convent close to the cathedral near the Plaza Mayor in the old colonial center. The War Against the Bandits was the 1961-1969 fought against U.S.-sponsored counterrevolutionaries, who hid out in the nearby mountains. If you do not read Spanish, the displays may be difficult to understand, but the piece of the American U-2 spy plane shot down speaks for itself. Also well worth the entrance fee is the mirador (view) from the convent's tower, reached by several flights of wooden stairs, which has superb views across the whole town.
Climb the hill behind the town to get a great view. As you walk up the hill you go through poorer neighbourhoods. You may be asked for clothes or trinkets by the local kids. Seems pretty safe during the day but be careful at night. As you exit the city you’ll also pass by the Disco Ayala, a discothèque in a cave near the top of this hill.