Termush by Sven Holm

"The day we came up from the shelters four people were found dead on the steps of the hotel."

Welcome to Termush: a luxury coastal resort like no other. All the wealthy guests are survivors: preppers who reserved rooms long before the Disaster. Inside, they embrace exclusive radiation shelters, ambient music and lavish provisions; outside, radioactive dust falls on the sculpture park, security men step over dead birds, and a reconnaissance party embarks.

Despite weathering a nuclear apocalypse, their problems are only just beginning. Soon, the Management begins censoring news; disruptive guests are sedated; initial generosity towards Strangers ceases as fears of contamination and limited resources grow. But as the numbers – and desperation – of external survivors increase, amidst this moral fallout, they must decide what it means to forge a new ethical code at the end (or beginning?) of the world …"

(Faber)