Rantabe is a rural municipality in Madagascar. It belongs to the district of Maroantsetra, which is a part of Analanjirofo Region. The population of the commune was estimated to be approximately 20,000 in 2001 commune census.

Rantabe has a riverine harbour. Primary and junior level secondary education are available in town. The majority 82% of the population of the commune are farmers. The most important crops are rice and vanilla, while other important agricultural products are coffee and cloves. Services provide employment for 12% of the population. Additionally fishing employs 6% of the population.

The town is situated at the N5, south of the mouth of the Rantabe river into the Indian Ocean.

• the Makira Natural Park

• James Plaintain - a pirate that settled in Rantabe.

15°42′S 49°39′E / 15.700°S 49.650°E / -15.700; 49.650