White Mills Marina is a 141-berth riverside marina situated at lock 9 on the River Nene near Earls Barton, Northamptonshire.

Its modern floating pontoons are designed to handle the natural rise and fall of river levels, accommodating narrowboats, widebeams, and cruisers. The marina offers both long-term and overnight moorings, as well as short riverside stays.

On-site facilities include electric and water hookups, pump-out, diesel, elsan disposal, WiFi, showers, toilets, a launderette, and a small chandlery. The waterside Boathouse Café serves visitors seven days a week.

A small tree-lined campsite, certified with the Camping and Caravanning Club, is also available on the grounds. The marina participates in the Cruise Moor scheme, welcoming visiting boaters exploring the River Nene.