Patterson Lakes Marina sits on the south bank of the lower Patterson River in Patterson Lakes, a canal suburb about 32 km southeast of Melbourne's CBD. It is the largest marina in Victoria and lies just 1.

25 km from Port Phillip Bay, making it a primary boating gateway to the bay and the waterways of the Mornington Peninsula. The marina accommodates vessels up to 60 feet and offers wet and dry berths as well as jet-ski docking.

It is a well-established access point for recreational boaters heading out onto Port Phillip Bay, with Patterson River recognised as one of the most popular boating and fishing corridors in the region.