🇲🇷 Mauritania · Submerged site
Kumbi Saleh – Ghana Empire Harbour City, Mauritania
Ghana to Almoravid (c. 500–1200 CE) · Soninke Ghana / Almoravid / Wagadu
Ghana Empire caravan harbour 300×200 m dune-sealed at Kumbi Saleh – moated stone town 15 ha.
🇹🇳 Tunisia · Submerged site
Leptiminus (Lemta) – Submerged Harbour of Byzacena
Phoenician to Early Islamic (8th c. BCE – 698 CE) · Punic / Roman African
Punic-Roman Olive-capital port whose factory quays and baths lie –1 to –3 m along Lamta beach with visible bollard stones.