Playa Santa Lucia, This was a former workers resort.
The only building intact, was probably the residence of the party boss, judging from the star at the entrance. The writing was not legible anymore! The rest of the buildings, were left to crumble into ruin.
There was another crumbling resort about 3 km west of here, near La Boca. I guess workers resorts (modeled after the Soviets), are now the thing of the past.
(That's my bicycle lying on the path.)