Bulgaria

• St. Thomas Island
  St. Thomas Island
  St. Thomas Island or Snake Island is a Bulgarian island in the Black Sea, 15 km south of Sozopol. It has an area of 0,012 square kilometres and is the only place in Bulgaria where wild cacti grow, brought from Bratislava, Slovakia and planted on the orders of Tsar Boris III in 1933. They...
  
  
• St. Anastasia Island
  St. Anastasia Island
  St. Anastasia Island is a Bulgarian islet in the Black Sea. It is located 1.5 km off the coast near Chernomorets, at 12 metres above sea level, and embraces a territory of 0.022 km². It is the only inhabited island off the Bulgarian Black Sea Coast.The island is supplied with...
  
  
• St. Cyricus Island
  St. Cyricus Island
  St. Cyricus Island , also known as St. Cyril Island or Sts. Quiricus and Julietta Island is a Bulgarian island in the Black Sea, situated 150 metres from Sozopol's Stolets peninsula. It has an area of about 0,08 square kilometres and a height of 15 metres. The island is connected to the continent...
  
  
• St. Ivan Island
  St. Ivan Island
  St. Ivan Island is the largest Bulgarian island in the Black Sea, with an area of . It lies off the Bulgarian Black Sea Coast near Sozopol, a town with rich history and a popular tourist place, and is separated by a strait several hundred metres long from the small neighbouring St. Peter Island....
  
  
• St. Peter Island
  St. Peter Island, Bulgaria
  St. Peter Island is a small Bulgarian island in the Black Sea, with an area of 0,025 square kilometres and a height of 9 metres above sea level. Also known as Bird Island, it is located in the Bay of Sozopol, close to the St. Ivan and St. Cyricus Islands. As it was not mentioned in any sources...
  
  

Ukraine

• Zmiinyi Island
  Snake Island (Black Sea)
  Snake Island, also known as Serpent Island, , is a Ukrainian island located in the Black Sea near the Danube Delta.The island is populated. A rural settlement of Bile was established in February 2007, which is part of the Vylkove city, Kiliya Raion, Odessa Oblast...
  
  
• A few islets just outside the Danube delta
• Berezan Island
  Berezan Island
  Berezan is an island in the Black Sea at the entrance of the Dnieper-Bug estuary, Mykolaiv Oblast, Ukraine. The island measures approximately 900 metres in length by 320 metres in width...
  
  
• Dovhy Island and smaller Kruhly, Velyky and Konsky islands in the Yahorlyts'ka Zatoka (Yahorlyk Bay)
• Tendrivs'ka Kosa spit, which is separated into several islands.
• Orlov Island, Yahorlyts'ki Islands, Sybirs'ki Islands, Babyn Island and a few other in the Tendrivs'ka Zatoka (Tendra Bay)
• Dzharylgach Island
  Dzharylgach
  Dzharylgach is an island in Kherson Oblast near Crimea, Ukraine.Its area of 56 square km and length of 42 km make it the Black Sea's biggest island, located at the Karkinit Bay. It has clean sandy beaches and mineral springs. In the middle of the island there is a fresh water spring, and more...
  
   - the largest one in the Black Sea (56 km²)
• Kalanchaks'ki Islands, Ustrychni Islands and other in the Karkinits'ka Zatoka (Karkinit Bay), east of Dzharylgach
  Dzharylgach
  Dzharylgach is an island in Kherson Oblast near Crimea, Ukraine.Its area of 56 square km and length of 42 km make it the Black Sea's biggest island, located at the Karkinit Bay. It has clean sandy beaches and mineral springs. In the middle of the island there is a fresh water spring, and more...
  
  
• Lebyazh'ii Islands (Swan Islands) in Karkinits'ka Zatoka, off northwestern Crimean coast
• Adalary, pair of rocks near Gurzuf, Crimea
• Korabl'-Kamen' (Rocks-ships), rocks south of Opuk Cape, Kerch peninsula

• Pervomayskiy Island in the Dnieper Estuary
  Dnieper Estuary
  Dnieper Estuary, or Dnieper Liman , is an open oligohaline estuary in the northern part of the Black Sea, in the southern Ukraine. Main port of the water body is Ochakiv. The estuary has 55 km long, 17 km wide. Average depth 6-7 m, maximal 12 m .The estuary is connected to the Black Sea by the...
  
  , south of Ochakiv
  Ochakiv
  Ochakiv is a city in the Mykolaiv Oblast of southern Ukraine. Serving as the administrative center of the Ochakivsky Raion , the city itself is also designated as a separate raion within the oblast, and is located on a peninsula in the Black Sea, at the entrance to the Dnieper Rivers's estuary,...
  
  
• Yanushev Island, Verbky Islands, Tendra Island and other along the soutern coast of the Dnieper Estuary
  Dnieper Estuary
  Dnieper Estuary, or Dnieper Liman , is an open oligohaline estuary in the northern part of the Black Sea, in the southern Ukraine. Main port of the water body is Ochakiv. The estuary has 55 km long, 17 km wide. Average depth 6-7 m, maximal 12 m .The estuary is connected to the Black Sea by the...