Eden Rock, St. Barts’ first resort, has been an elite tropical getaway since the 1950s, having lured Greta Garbo, Howard Hughes, the Rockefellers, and, on New Year’s Eve, yachting enthusiasts. The Peak, one of Eden Rock’s top villa accommodations, is currently available for reservations and is a most suitable base from which to experience the December 31 festivities, which include the annual New Year’s Eve Regatta, fireworks over white sand beaches, and shipboard parties. (Eden Rock’s 24-hour concierge can hel…