Aston Martin unveiled a luxurious yacht and submarine at the Monaco Yacht Show

Aston Martin made a big boating debut at this year's Monaco Yacht Show.

The luxury car maker showed off its AM37 yacht that first debuted in September 2016. The bespoke boat was made in conjunction with Quintessence Yacht and starts at $1.64 million.

But that's not all Aston Martin had to show in Monaco. The car maker also revealed the designs for its first submarine, codenamed Project Neptune.

Scroll down for a closer look at Aston Martin's creations for the sea: