İyisu is a neighborhood in Araklı District, in Trabzon Province, Türkiye. İyisu lies at 291 m above sea level, in the Rize Dağları mountains. It has 226 inhabitants. The nearest city is Araklı, 16.9 km to the north. Among the landmarks around are Sumela Monastery (31 km), Kuştul Monastery (25 km) and Hagia Sophia (35 km).