The world's most expensive superyachts come with helipads, movie theaters, and swimming pools — take a look

• Many superyachts cost upwards of $200 million dollars and are owned by the wealthiest billionaires in the world.
• The most expensive yacht ever built is made from solid gold, and costs a whopping $4.8 billion.
• The yachts have features like movie theaters, concert halls, and multiple swimming pools. 

Some of the world's wealthiest individuals own the most outlandish yachts. 

With features like helipads, swimming pools, saunas, hot tubs, and more, the most expensive yachts in the world are the definition of luxury. Russian tycoons, oil Sheikhs, and entertainment moguls are vacationing on yachts spanning over 200 feet that often cost over half a billion dollars, not to mention the maintenance costs of owning a superyacht.

Check out some of the most expensive yachts in the world below: 

SEE ALSO: Take a rare look inside 8 of the most luxurious superyachts for sale at Miami's premier yacht show

$200 million: Microsoft co-founder Paul Allen owns this 414-foot yacht called the Octopus. It has 41 suites, a pool, two helicopters, a basketball court, and a recording studio.

Source: Forbes

$200 million: The Seven Seas yacht has a movie theater, infinity pool, gym and helipad. Reportedly, it once belonged to Stephen Spielberg.

Source: Forbes

$210 million: Billionaire Nassar Al-Rashid owns this yacht embellished with 24-karat gold lettering.