Masai is an area in Pasir Gudang, Johor Bahru District, Johor, Malaysia, and is the oldest neighbourhood of the city of Johor Bahru. It is located 25 km from the Johor Bahru city centre. Masai is located on Jalan Masai Lama which leads to Kong Kong, a fishing village along Johor River. It is also accessible via the Pasir Gudang Highway. Many pre-war buildings are still well preserved.