Malaysia-Singapore Border

The Malaysia–Singapore border is an international maritime border between the Southeast Asian countries of Malaysia, which lies to the north of the border, and Singapore to the south. The boundary is to a large extent formed by straight lines between maritime geographical coordinates running along or near the deepest channel of the Straits of Johor (Malay: Selat Tebrau).

The western portion of the border beyond that delimited by the 1995 agreement goes into the western section of the Singapore Straits while the eastern portion of the border beyond the eastern terminus of the defined border continues into the eastern section of the Singapore Straits. Outside the border defined by the 1995 agreement, there is still no formal agreement between the two countries to delimit their common borders and this has resulted in several overlapping claims. Singapore claims a three nautical mile (6 km) territorial sea limit, while Malaysia claims a 12-nautical-mile (22 km) territorial sea limit.

Following the International Court of Justice decision on 23 May 2008 on the sovereignty of Pedra Branca which gave the island to Singapore, the new portion of the Malaysia-Singapore maritime border around the island will also need to be determined. The island lies 24 nautical miles (44 km) from the easternmost point of Singapore, and 7.7 nautical miles (14.3 km) southeast of the Malaysian coastline.

There is also a dispute involving the alleged incursion into Malaysian territorial waters by land reclamation works by Singapore at the western entrance to the Straits of Johor.

There are two structural crossings along the border. They are the Johor–Singapore Causeway and the Malaysia–Singapore Second Link (as known in Malaysia), or the Tuas Second Link (as known in Singapore). There is also an international ferry service between Pengarang at the southeastern tip of Johor and Changi Village at the eastern of the island.

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