Derwent Water Marina is situated in the peaceful and sheltered north west part of the lake with views of the surrounding mountains. Keswick is a 20 minutes walk away. Berths Available For 2025 season. Here at Derwentwater Marina we have seasonal jetty berths available so you can step onto your boat without the inconvenience of a tender and our shore storage provides easy access to the Lake for dayboats, dinghies, canoes, kayaks, windsurfers and SUPs / Paddle boards. Leaving your boat here with us during the summer and winter months, saves you the inconvenience of storage and transportat... read more