For a taste of the most expensive ports, the Wealth Bulletin recently completed an index detailing the average daily rates of some of the most coveted dock spaces from here to Spain. Bearing in mind peak periods, and using a 230-foot vessel as its sample size (230 feet is the maximum length most popular ports are able to accommodate), the report has some surprising finds; for one, the top three marinas are located in Italy.

Capri, Italy

The daily average fee here is nearly $4,000, which you can better appreciate when you hear that there are just 10 slips available for megayachts. With that in mind, plan on making your reservations months in advance. Capri is also one of the most luxurious vacation spots in the entire Mediterranean, making this marina even more desirable to passing boats.

Porto Cervo, Italy

Located on the island of Sardinia, Porto Cervo has been attracting ultra-high-net-worth individuals since the Aga Khan established it in the 1960s. The average daily fee here: about $3,400, with 60 berths available. If you want to dock at the exclusive Yacht Club Costa Smeralda in Sardinia, expect to pay an even larger sum, depending on the season and whether or not a yachting regatta is in town.

Portofino, Italy

Picturesque, petite Portofino, which was originally a fishing village, has just six berths available for megayachts, costing about $3,200 per night. This quiet respite is ideal for celebrities and royals looking for a quiet getaway.

Ibiza Magna, Spain

Ibiza is renowned for its wild nightlife and for attracting the young and beautiful crowd. For someone wishing to partake in Ibiza’s tantric scene, Ibiza Magna’s dozen slips are available at a nightly rate of $3,140. Fair warning, however: the marina is packed during high season, and it charges so much more for black-water disposal, garbage disposal, and other services that even a billionaire will blanch.

Saint-Tropez, France

Ever since Brigitte Bardot brought global fame to these beaches in the 1950s, Saint-Tropez has remained a millionaire’s playground. Thirty berths running an average of $1,775/night ensure space for many aquatic heavy-hitters. A favorite pastime of yacht owners and curious passersby is checking out the who’s who of docked boats. And Saint-Tropez’s location on the Cote d’Azur means it’s an easy day cruise to other popular spots.