Luxury listing: ‘The Great Gatsby Estate’ in Vero Beach, Fla.

Palazzo di Mare contains a private ocean beach, six bedrooms and astonishing finishes.

Currently owned by the widow of Bill Nicholson (who co-founded Retail Grocery Inventory Service, or RGIS, the inventory tracking system widely used across the country), it will auction to the highest bidder on April 30, courtesy of DeCaro Luxury Auctions.