Thracian Akra and Antiquity (4th c. BC – 6th c.)
A Thracian fortress stood on Cape Akra south of today's Chernomorets from the 4th century BC, linked to the nearby Greek colony of Apollonia Pontica (Sozopol). In Roman and early Byzantine times a port grew around the fortress, serving maritime trade along the southern coast. Much of ancient Akra now lies underwater in Vromos Bay and is the focus of underwater-archaeology campaigns.
From the Middle Ages to Liberation (6th–19th c.)
After the 6th century the Akra fortress gradually declined, and the population relocated to small fishing settlements along the nearby shore. During the Ottoman period a hamlet called Chernomorets was home to mostly Greek and Bulgarian inhabitants, split between fishermen and loggers. In the 19th century the village grew — it was first recorded in the state statistical yearbook in 1894.
Modern Chernomorets (1927 — today)
The village gained resort status in 1927, when some of the first state summer bases opened here. After 1945 Chernomorets grew significantly — trade-union and state-enterprise holiday camps were built. In 1969 it was granted town status. After 1989 the large camps were privatised; today Chernomorets is a varied destination of small family hotels and apartment complexes, while keeping the spirit of a fishing town.