An oceanfront mansion in Golden Beach sold for $14 million to a firm controlled by a major real estate developer.

Piacere Ocean LLC, managed by attorney Irina Nemtsev, sold the 8,496-square-foot mansion at 115 Ocean Blvd. to EJNRA Ltd., managed by Sonny Kahn, co-founder and chairman of Miami Beach-based developer Crescent Heights, and Suzanne Khan. The price equates to $1,648 per square foot.

The home last traded for $12 million in 2014. It was built on the 42,750-square-foot lot in 1936. It has…