Sea/Ocean
|
Capital/Country
|
Aegean Sea
|
Athens, Greece
|
Atlantic Ocean
|
Luanda, Angola
|
Atlantic Ocean
|
Buenos Aires, Argentina
|
Atlantic Ocean
|
Nassau, Bahamas
|
Atlantic Ocean
|
Praia, Cape Verde
|
Atlantic Ocean
|
Banjul, Gambia
|
Atlantic Ocean
|
Conakry, Guinea
|
Atlantic Ocean
|
Bissau, Guinea-Bissau
|
Atlantic Ocean
|
Georgetown, Guyana
|
Atlantic Ocean
|
Reykjavík, Iceland
|
Atlantic Ocean
|
Monrovia, Liberia
|
Atlantic Ocean
|
Nouakchott, Mauritania
|
Atlantic Ocean
|
Rabat, Morocco
|
Atlantic Ocean
|
Lisbon, Portugal
|
Atlantic Ocean
|
Dakar, Senegal
|
Atlantic Ocean
|
Freetown, Sierra Leone
|
Atlantic Ocean
|
Cape Town, South Africa
|
Atlantic Ocean
|
Paramaribo, Suriname
|
Atlantic Ocean
|
Montevideo, Uruguay
|
Baltic Sea
|
Copenhagen, Denmark
|
Baltic Sea
|
Tallinn, Estonia
|
Baltic Sea
|
Helsinki, Finland
|
Baltic Sea
|
Riga, Latvia
|
Banda Sea
|
Dili, East Timor
|
Caribbean Sea
|
St. John's, Antigua and Barbuda
|
Caribbean Sea
|
Bridgetown, Barbados
|
Caribbean Sea
|
Roseau, Dominica
|
|
Sea/Ocean
|
Capital/Country
|
Caribbean Sea
|
Santo Domingo, Dominican Republic
|
Caribbean Sea
|
St. George's, Grenada
|
Caribbean Sea
|
Port-au-Prince, Haiti
|
Caribbean Sea
|
Kingston, Jamaica
|
Caribbean Sea
|
Basseterre, Saint Kitts and Nevis
|
Caribbean Sea
|
Castries, Saint Lucia
|
Caribbean Sea
|
Kingstown, Saint Vincent and the Grenadines
|
Coral Sea
|
Port Moresby, Papua New Guinea
|
Gulf of Aden
|
Djibouti, Djibouti
|
Gulf of Guinea
|
Malabo, Equatorial Guinea
|
Gulf of Guinea
|
Libreville, Gabon
|
Gulf of Guinea
|
Accra, Ghana
|
Gulf of Guinea
|
São Tomé, São Tomé and Príncipe
|
Gulf of Guinea
|
Lomé, Togo
|
Gulf of Mexico
|
Havana, Cuba
|
Gulf of Oman
|
Muscat, Oman
|
Gulf of Paria
|
Port of Spain, Trinidad and Tobago
|
Indian Ocean
|
Moroni, Comoros
|
Indian Ocean
|
Malé, Maldives
|
Indian Ocean
|
Port Louis, Mauritius
|
Indian Ocean
|
Maputo, Mozambique
|
Indian Ocean
|
Victoria, Seychelles
|
Indian Ocean
|
Mogadishu, Somalia
|
Irish Sea
|
Dublin, Ireland
|
Java Sea
|
Jakarta, Indonesia
|
Mediterranean Sea
|
Algiers, Algeria
|
Mediterranean Sea
|
Tripoli, Libya
|
|
Sea/Ocean
|
Capital/Country
|
Mediterranean Sea
|
Valletta, Malta
|
Mediterranean Sea
|
Monaco, Monaco
|
Mediterranean Sea
|
Tunis, Tunisia
|
Mediterranean Sea
|
Beirut, Lebanon
|
North Sea
|
Oslo, Norway
|
Pacific Ocean
|
Palikir, Federated States of Micronesia
|
Pacific Ocean
|
Suva, Fiji
|
Pacific Ocean
|
Tokyo, Japan
|
Pacific Ocean
|
Tarawa, Kiribati
|
Pacific Ocean
|
Majuro, Marshall Islands
|
Pacific Ocean
|
Yaren, Nauru
|
Pacific Ocean
|
Wellington, New Zealand
|
Pacific Ocean
|
Ngerulmud, Palau
|
Pacific Ocean
|
Panama City, Panama
|
Pacific Ocean
|
Lima, Peru
|
Pacific Ocean
|
Apia, Samoa
|
Pacific Ocean
|
Nukuʻalofa, Tonga
|
Pacific Ocean
|
Funafuti, Tuvalu
|
Pacific Ocean
|
Port Vila, Vanuatu
|
Persian Gulf
|
Manama, Bahrain
|
Persian Gulf
|
Kuwait City, Kuwait
|
Persian Gulf
|
Doha, Qatar
|
Persian Gulf
|
Abu Dhabi, United Arab Emirates
|
Solomon Sea
|
Honiara, Solomon Islands
|
South China Sea
|
Bandar Seri Begawan, Brunei
|
South China Sea
|
Manila, Philippines
|
South China Sea
|
Singapore, Singapore
|
|
Otherwise loved it, great idea.
However I wouldn't go as far as saying that the urban area of Amsterdam touches the sea as the coastal towns don't touch Amsterdam. But if we include entire metropolitan areas or agglomerations the list could perhaps be expanded even further.
Tarawa can perhaps be accepted as an extra answer for South Tarawa, but should not be the main answer.