The 255-foot superyacht Malia sold in 2023 with a price tag of $120 million. But she can be yours for a fraction of the cost: $930,000 per week. But with many large yacht charters, surcharges — for fuel, food, drinks, marina fees, onshore activities and special requests — are usually an additional 35% of the base price.  Cruising in Europe also attracts a value-added tax of...