The Gulf of Mexico has an average depth of approximately 1,615 meters (5,299 feet). Its deepest point, known as the Sigsbee Deep or Sigsbee Abyssal Plain, reaches a maximum depth estimated between 3,750 meters (12,303 feet) and 4,384 meters (14,383 feet), with the most commonly cited maximum depth around 4,384 meters (14,383 feet)

. In summary:

• Average depth: about 1,615 meters (5,299 feet)
• Maximum depth (Sigsbee Deep): approximately 3,750 to 4,384 meters (12,303 to 14,383 feet)

This makes the Gulf of Mexico one of the deeper ocean basins, with a significant portion of its area consisting of continental shelf, slope, and abyssal plain regions