- Welland Floatfest
- 165.74 metre(s)
- Canada (Welland)
The longest line of water inflatables is 165.74 m (543 ft 9 in), and was achieved at Welland Floatfest (Canada) in Welland, Ontario, Canada, on 30 July 2017.
More than 100 water inflatables took part in the successful attempt on the Welland Canal.