The Gulf of Aqaba, also called the Gulf of Eilat, is the northeastern arm of the Red Sea. It lies between the Sinai Peninsula of Egypt to the west and the western edge of the Arabian Peninsula to the east, touching four countries: Egypt, Israel, Jordan and Saudi Arabia. The gulf extends roughly 170 kilometres from its narrow northern entrance to its connection with the Red Sea and is about 26 kilometres wide at its broadest point. Its coastline is marked by towns and ports that play roles in tourism, trade and regional transport.

Local names reflect the gulf's multiethnic setting: in Arabic it is known as خليج العقبة (Khalīj al‑ʿAqabah) and in Hebrew as מפרץ אילת (Mifratz Eilat). The northern extremity hosts three neighbouring towns that mark international frontiers and coastal economies: Taba (Egypt), Eilat (Israel) and Aqaba (Jordan). The eastern shore along the gulf lies within Saudi Arabia, where the coastline is more sparsely developed.

Geography and geology

The Gulf of Aqaba occupies the northern end of the Red Sea rift system. It is a tectonic rift basin with steeply sloping shores and a seafloor shaped by extensional faulting. These structural features create steep depth gradients and relatively deep waters compared with many shallow coastal seas. Water exchange with the wider Red Sea is constrained by the gulf's shape, producing distinct circulation patterns and stratification that influence temperature and nutrient distribution.

Marine life and reefs

Although the gulf's waters are oligotrophic (relatively low in nutrients), they support extensive coral reef communities and a rich assemblage of reef fishes, invertebrates and other marine fauna. Coral gardens occur along much of the shoreline and provide habitat for commercially and ecologically important species. Marine megafauna such as dolphins and sea turtles are occasional visitors, and the relative clarity of the water has made the gulf a well‑known destination for scuba diving and snorkeling.

Human use, ports and tourism

Human use of the gulf ranges from local fisheries and coastal tourism to shipping and cross‑border trade. Aqaba is Jordan's principal seaport and an important transit point for goods; Eilat functions as Israel's southern port and a major tourism gateway; Taba serves as a border resort and transit area on the Egyptian coast. Regional airports, road links and ferry services connect coastal towns and support a year‑round tourism industry centered on diving, recreation and beach resorts.

Conservation and challenges

The gulf faces environmental pressures common to busy coastal regions: coastal development, rising visitor numbers, shipping, pollution and fishing pressures. Coral reefs are vulnerable to warming sea temperatures, local damage from anchors and unregulated coastal works. Governments, scientific organizations and non‑governmental groups have established protected areas, monitoring programs and guidelines for sustainable tourism to help preserve reef habitats and the services they provide to local communities.

Regional cooperation

Because the Gulf of Aqaba is bordered by several states, many conservation and management challenges have a cross‑border character. Cooperative initiatives, joint research and information exchange aim to improve understanding of shared resources and to coordinate actions on pollution control, fisheries management and visitor impacts. International attention to the gulf's biodiversity has helped shape partnerships among local authorities, conservation organizations and tourism operators.

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