sybarite

sybarite \SIB-uh-ryt\, noun:

A person devoted to luxury and pleasure.

This worldly cleric, nicknamed "the sybarite of Saumane", friend of Voltaire and a social luminary in Paris and Avignon, lived a high old life within the medieval fortifications of his chateau in Provence.
-- "The dubious charms of Citizen Sade", Irish Times, April 17, 1999

Beneath the prudish disapproval that colored Upton Sinclair's assessment of California's wealthy sybarites was an amused astonishment at how hard they worked at having fun, at how deadly serious they were about pleasure.
-- Richard White, "What California taught America", The New Republic, December 1, 1997

And when the final blessing of a perfect French cook appeared to make our domestic picture complete, we became utter sybarites, frank worshippers of the splendors of the French cuisine.
-- Samuel Chamberlain, Clémentine in the Kitchen

Sybarite is derived from Greek Sybarites, from Sybaris, an ancient Greek city noted for the luxurious, pleasure-seeking habits of many of its inhabitants.