The Vas 525/60 Yellow Submarine gives superyacht owners the opportunity to discover the sea from a new perspective. Usually reserved for marine biologists and military, luxury yacht company Y.CO is offering owners the opportunity to buy this 8.4 metre submarine, which can take up to 5 passengers and reach a max speed of 6 knots. Manufactured by submarine experts GSE Trieste, the vehicle is all-electric and can reach depths of 525 ft (160 metres).