Bulgar karasularnda, seyir emniyetine engel tekil edebilecek pek ok balk iftlii mevcuttur. Bunlar i sularda olup sahilin 0.5 M ana kadar uzanabilmektedir. Balk iftlikleri tek tek gsterilmemitir. 
Denizcilerin bu sulardan geerken dikkatli seyir yapmalar tavsiye olunur.



Numerous marine farms which may represent a hazard to navigation are situated within Bulgarian waters. They exist in inshore waters and are usually located within half a mile of the coast. They are not shown individually.
Mariners are advised to exercise particular caution when navigation in this area.