The river cruise and touring specialist saw bookings almost double month-on-month and hit their highest level since March 2020.
River cruises accounted for the bulk of agent bookings, with Europe proving the most popular destination.
Stuart Milan, Riviera Travel’s channel director, said: "We want to thank the trade for such a successful day and are so grateful for their continued support.
"We are absolutely committed to collaborating with our agent partners, and have worked hard to maintain and develop our relationships both with high street and online retailers."
