ABSTRAK Penelitian tentang Persentase Tutupan Karang Di Pantai Ulee Kareng Kecamatan Simpang Mamplam Kabupaten Bireuen telah selesai. Penentuan tempat penelitian menggunakan Metode Sistematik Sampling dan memonitoring data terumbu karang menggunakan Metode LIT (Line Intersect Transect) dengan tujuan untuk mengetahui persentase tutupan karang pada kawasan Pantai Ulee Kareung. Hasil pengamatan menunjukkan bahwa kondisi rata – rata terumbu karang pada Pantai Ulee Kareung Kecamatan Simpang Mamplam Kabupaten Bireuen dikedalaman dangkal (shallow) sebanyak 28,55% dan dalam (deep) sebanyak 23,92% dan termasuk dalam persentase tutupan karang diseluruhan stasiun sebanyak 26,23% termasuk kategori sedang. Terdapat 19 genus karang dan persentase karang tertinggi yaitu genus Porites (13,40%). Hasil penelitian ini diharapkan dapat dijadikan data pendukung serta digunakan sebagai acuan dalam pertimbangan menjaga kawasan pantai Ulee Kareung, Kecamatan Simpang Mamplam, Kabupaten Bireuen. Kata Kunci : Bireuen, LIT, Ekosistem Terumbu Karang, Genus Porites. ABSTRACT Research on Persentase Tutupan Karang Di Pantai Ulee Kareng Kecamatan Simpang Mamplam Kabupaten Bireuen has been completed. The determination of the place of research using Sistematic Sampling Method and monitoring the data of coral reef using LIT (Line Intersect Transect) Method with the purpose to find out the percentage of coral cover in Ulee Kareung Beach area. The results showed that the average condition of coral reefs on Pantai Ulee Kareung Kecamatan Simpang Mamplam Kabupaten Bireuen was shallow as much as 28.55% and deep as much as 23.92% and included in the coral cover percentage of the entire station as much as 26, 23% including medium category. There were 19 genus of coral and the highest coral percentage that was genus of Porites (13.40%). The results of this study are expected to be used as supporting data and used as a reference in consideration of maintaining Ulee Kareung beach area, Kecamatan Simpang Mamplam, Kabupaten Bireuen. Key words: Bireuen, LIT, Coral Reef Ecosystem, Genus Porites.