The body of water that separates Saudi Arabia from Iran is the Persian Gulf. This vital waterway connects to the Arabian Sea and plays a crucial role in regional commerce and transportation. The Persian Gulf is rich in oil resources, contributing significantly to the economies of surrounding countries. Its strategic importance has made it a focal point for geopolitical interests and conflicts in the region. The gulf's marine environment supports various marine life, offering both economic and ecological significance. It remains a key maritime route for global shipping and trade.