Tanjung Manis (originally named Tanjung Mani) has a long history of being a port of calls for vessels to collect timber, mainly logs for export. In its heyday, especially in the 1960s and 1970s, active timber trades took place in Tanjung Manis. After a feasibility study has been carried out on the area, the State Government decided to develop a deep sea port at Tanjung Manis to kickstart the overall development of Batang Rajang/ Batang Igan area.
Located at latitude 2 ˚ 08’N longitude 111˚21’E at right side of Tanjung Sebubal along the upper north bank of the Rajang river. It situates only 30 km from the mouth of the Rajang river with draught of 11 metres, thus providing a safe berthing place for large ocean-going vessel.Its strategic location, landforms and natural deep-water anchorage make Tanjung Manis Port a vital hub for feeders and other mode of water carriers utilizing the Rajang waterways.
Stretching from Latitude 08°03’52”.8 North, Longitude 112°43’04”.4 East, on the coast between Batang Balingian and Batang Tatau, to West to Tanjung Selalang position at Latitude 02°03’53”.5 North Longitude 111°11’45”.2 East.