The resort's construction began back in Communist times, in 1958. Construction works began at a site, where two old wells supplying Nessebar with water in ancient times and during the Middle Ages had been located.
The climate of the area is Mediterranean, explaining Sunny Beach's popularity with tourists since the Soviet Union existed. Since that time the resort's popularity has grown among German holidaymakers, who add to the already large numbers of Russian visitors. More recently, Sunny Beach has begun to attract the attention of the British, Irish, Scandinavian and Dutch for which it is a more affordable alternative to the established Mediterranean resorts