Indonesia dan Singapura telah menyepakati dua buah perjanjian penetapan garis batas laut teritorial di Selat Singapura, masing-masing disepakati pada tahun 1973 dan 2009. Proses delimitasi dalam kedua perjanjian tersebut dilakukan dengan merujuk pada ketentuan Pasal 15 United Nations Convention on the Law of the Sea 1982 dan menggunakan metode delimitasi garis median termodifikasi. Kedua perjanjian tersebut memberikan kepastian mengenai wilayah laut territorial Indonesia dan Singapura di mana kedua negara memiliki kedaulatan. Adanya kepastian hukum mengenai laut teritorial Indonesia di Selat Singapura berujung pada munculnya implikasi-implikasi dalam aspek keamanan dan keselamatan Indonesia sebagai negara pantai, keamanan dan keselamatan pelayaran di Selat Singapura, dan lingkungan laut.

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Indonesia and Singapore have agreed on two bilateral treaties regarding the delimitation of the territorial seas in the Strait of Singapore, each was agreed in the year 0f 1973 and 2009. The delimitation process in the two treaties were done in accordance with Article 15 of United Nations Convention on the Law of the Sea 1982 and used the modified median line as the delimitation method. The two treaties gave legal certainty regarding the area of territorial seas of Indonesia and Singapore, in which both States have the ability to exercise sovereignty. The legal certainty on Indonesia's territorial sea in the Strait of Singapore leads to the implications in the aspects of security and safety of Indonesia as a coastal State, security and safety of navigation in the Strait of Malacca, and marine environment.