The Underfall Yard is a historic boatyard on Spike Island serving Bristol Harbour, the harbour in the city of Bristol, England.
Underfall Yard was commonly referred to as \"The Underfalls\" and takes its name from the underfall sluices. The original construction was in the early 19th century with revisions by Isambard Kingdom Brunel in the 1830s.
Following restoration in the 1990s, this Victorian work yard is now a Scheduled Monument that includes several listed buildings. The harbour and its equipment are still actively maintained, and host a cooperative of boat builders.