Derwentwater Marina is located in the peaceful, sheltered northwest corner of Derwentwater, in the village of Portinscale roughly a 20-minute walk from Keswick.

It serves as a key access point to the lake, offering boat hire including paddleboards, canoes, kayaks, rowing boats, pedalos, dinghies, and windsurfers.

Tuition is available for sailing, windsurfing, canoeing, kayaking, and stand-up paddleboarding, catering to individuals and groups at all skill levels. The marina also provides berthing, a watersports shop and chandlery, and boat sales.

Visitors arriving by the Keswick Launch ferry can disembark at the Nichol End stop, a five-minute walk away.