It is about 15 km south-east of Kochi city centre and around 8 km east of Tripunithura. By road, Mulanthuruthy is accessible from Kanjiramattom (5 km) and from Piravom (13 km), Tripunithura and Ernakulam. Mulanthuruthy is situated on the banks of the Cochin Backwaters part of the Vembanad Lake. A minor distributary of the Muvattupuzha River passes through Mulanthuruthy.