According to Worldwide Boat, the cheapest you can rent one of the featured yachts (the Ohana, from season 2) is $140,000 per week. The rest range in price all the way up to a whopping €231,000 (around $256,000 per week) for the Talisman Maiton, which was featured on Below Deck Med season 3.
According to Yacht Charter Fleet, the smaller super-yachts, including the Ionian Princess, the Valor, and the Sirocco, rent for approximately $154,000 to $199,500 per week, depending on the season and the boat. The good news, though, is the Ohana is $140,000 per week at any time of year, so it's something of a bargain compared to the others.
As for the mid-range yachts, the Eros is currently not available for rent, nor is the recently-redone Honor. The biggest super-yachts, meanwhile, are way out of seemingly anybody's price range. The aforementioned Talisman Maiton goes for the same massive fee no matter the time of year, while My Seanna, at 185 feet, is $294,000 a week in the winter and $315,500 a week in summer.
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