According to Official Guinness Records,
The most beach balls caught blindfolded in one minute by a team of two is 29 and was achieved by Arun Jones and Reuben Jones (both UK) at INTU Merry Hill, in Dudley, UK, on 5 August 2018.The record attempt was part of a GWRLive! event at the shopping centre. Arun and Reuben are brothers.
For a complete list of 2018 records, please visit 2018 Guinness Records in United Kingdom.