马拉戈日（葡萄牙语：Maragogi）是巴西阿拉戈斯州的一个市镇。总面积333.73平方公里，总人口26979人，人口密度80.8人/平方公里。

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Maragogi is a municipality of the Brazilian state of Alagoas in the 125 km north of Maceió capital city. Has 25,726 inhabitants, a city situated on the northern coast of Alagoas state, Brazil, being the easternmost city of that state.

As the main destination in the State of Alagoas after its capital city, Maragogi attracts visitors from Maceió. From Japaratinga beach, on the southern tip, a ferryboat crosses Manguaba River into Porto das Pedras, where visitors find virtually deserted beaches. Maragogi was initially a small village called Gamela. In 1887, it was granted the status of an adopted the name of Isabel, to honor the Brazilian Princess who signed a law ending slavery in Brazil. Later on, in 1892, it was named as Maragogi after the river that baths the city. "Maragogi", according to some historians, comes from “Marahub-gy”, or river of the Marauba tribes.