Atlantic Ocean

• Adriatic Sea
• Aegean Sea
• Alboran Sea
• Argentine Sea
• Bay of Biscay
• Bay of Bothnia
• Bay of Campeche
• Bay of Fundy
• Baltic Sea
• Black Sea
• Bothnian Sea
• Caribbean Sea
• Celtic Sea
• Central Baltic Sea
• Chesapeake Bay
• English Channel
• Gulf of Bothnia
• Gulf of Guinea
• Gulf of Finland
• Gulf of Mexico
• Gulf of Sidra
• Gulf of St. Lawrence
• Gulf of Venezuela
• Ionian Sea
• Ligurian Sea
• Irish Sea
• Marmara Sea
• Mediterranean Sea
• Mirtoon Sea
• North Sea
• Sea of Azov
• Sea of Crete
• Sea of the Hebrides
• Sargasso Sea
• Thracian Sea
• Tyrrhenian Sea