La source ajoute les informations suivantes : «  The single costs are defined by the source as follows:
Sunscreen: The sunscreen cost was calculated by taking the average cost of a 200ml SPF 30 bottle from a store in local resort/hotel, a hostel and local pharmacy or supermarket (all where available).
Water: The final water cost was calculated by taking an average of the price for a 500ml bottle from the three largest local brands from a store in local resort/hotel, a hostel and local pharmacy or supermarket (all where available).
Beer: Beer costs were calculated by calculating an average between the domestic beer prices, and the retail cost of Heineken, Budweiser, Becks, Guinness and Fosters at local prices, where available.
Ice-cream: Ice-cream costs were calculated by taking an average pre-packaged branded ice-cream price in the capital city of each country and applying consumer produce cost differences to each area, where applicable.
Lunch: Lunch costs were calculated by taking the average full meal cost, including a drink and dessert, for one person from a beach bar or the closest establishments to the beach (largely within tourist areas), including hotels and restaurants.
Facility Fee: This cost looks at any potential entrance fee to the beach, in addition to the cost of renting a sun lounger and an umbrella for one day. When a sun lounger was not available, other seating option prices were substituted, such as for a beach chair or hammock.  »