The Red Sea is a large seawater inlet between Africa and Asia, stretching more than 2,250 kilometers from the southern Gulf of Suez toward the Bab el Mandeb strait. Its warm waters, vibrant coral reefs, and busy shipping lanes make it one of the most recognizable bodies of water in the world.
Along its entire length, the Red Sea reaches a maximum width of about 354 kilometers near its middle section and narrows to roughly 18 kilometers in the turbulent Bab el Mandeb region, where depth and currents change rapidly.
| Key Measure | Value | Reference Point | Notes |
|---|---|---|---|
| Total Length | 2,250 km | Gulf of Suez to Bab el Mandeb | Approximate north-south distance |
| Maximum Width | 354 km | Central Red Sea | Between Egypt and Saudi Arabia |
| Minimum Width | 18 km | Bab el Mandeb | Narrows dramatically near the outlet |
| Max Depth | 3,040 m | Dahlak Deep, central trench | One of the deepest points in the world |
| Major Ports | Jeddah, Al-Wadi al-Jadid, Massawa | Egypt, Sudan, Eritrea | Critical hubs for trade and transport |
Geography and Coastal Countries
Running through multiple nations, the Red Sea delivers a mosaic of coastlines shaped by desert, mountains, and coral ecosystems.
To the west, Egypt commands the longest shoreline, with popular hubs such as Hurghada and Sharm el Sheikh anchoring a vast tourism sector. Neighboring Sudan offers historic ports and reef systems, while Eritrea and Djibouti provide access to dramatic drop-offs near the Bab el Mandeb bottleneck.
On the eastern side, Saudi Arabia oversees vast stretches of water with modern infrastructure, and Jordan and Israel frame the northernmost reaches close to the Gulf of Aqaba.
Navigation and Trade Importance
As one of the world’s busiest shipping corridors, the Red Sea links the Mediterranean and the Indian Ocean without requiring vessels to sail around Africa.
Every year, thousands of container ships, oil tankers, and bulk carriers transit the Suez Canal shortcut, cutting weeks off Europe-Asia voyages and underpinning global energy and consumer markets. Disruptions in this narrow waterway can ripple through freight rates, insurance costs, and delivery timelines across continents.
Marine Ecosystem and Conservation
The Red Sea supports some of the most diverse and resilient marine habitats on Earth, where clear water, steep walls, and healthy reefs attract researchers and divers alike.
Unique species such as the ghost shrimp and endemic coral strains thrive in warm, high-salinity conditions, yet rapid coastal development and vessel traffic place ongoing pressure on these environments. Protected areas, scientific monitoring, and sustainable tourism guidelines aim to balance economic benefits with the long-term health of coral systems and fish populations.
Geopolitics and Regional Security
Control over the Red Sea has influenced empires, trade routes, and military strategies for centuries, and today it remains central to regional power dynamics.
Critical choke points such as the Bab el Mandeb strait and the Suez Canal anchor debates over maritime security, freedom of navigation, and energy stability. Diplomatic agreements, naval patrols, and port partnerships highlight how the sea connects not just oceans, but the politics, economics, and safety of the broader Middle East and East Africa region.
Travel, Trade, and Environmental Outlook
Looking ahead, decisions about port expansion, shipping regulation, and conservation will determine whether the Red Sea remains a thriving route for commerce and a vibrant ecosystem for marine life.
- Understand the sea length and key measures to interpret charts, routes, and safety briefings
- Track major ports and shipping updates that influence global supply chains and freight costs
- Support reef-safe tourism and responsible diving practices to protect unique coral and species
- Follow regional policy developments that affect navigation, security, and environmental standards
FAQ
Reader questions
How long is the Red Sea from north to south?
The Red Sea spans approximately 2,250 kilometers from the southern Gulf of Suez in the north to the Bab el Mandeb strait in the south.
What is the maximum width of the Red Sea?
The widest point of the Red Sea is about 354 kilometers, located near its central section between Egypt and Saudi Arabia.
How narrow is the Red Sea at its southernmost point?
At Bab el Mandeb, the Red Sea narrows to roughly 18 kilometers, a tight bottleneck that intensifies currents and strategic importance.
What is the deepest point in the Red Sea?
The deepest location is the Dahlak Deep, reaching approximately 3,040 meters, making it one of the deepest spots in any sea.