Trinity Marina (also known as Trinity Waterside Marina) is a full-service marina situated on the Ashby Canal in Leicestershire, close to the village of Stretton-under-Fosse.

It offers residential and leisure moorings in a quiet canal-side setting, along with a comprehensive range of boat services. Overnight mooring may be subject to a charge.

The marina sits in a convenient location for exploring the Ashby Canal's 22 lock-free miles, with Market Bosworth and Bosworth Battlefield accessible to the north and the market town of Hinckley nearby.

A pub serving food is associated with the site, and a farm shop with Calor Gas is located close to Bridge 23.