The playboy prince is said to be a fan of the sport, having taken part in a game earlier this year during a visit to Brazil.
A spokesman for the prince said Harry is "extremely excited" at the thought of watching beach volleyball, as he is with "all the Olympic events" he will attend over the next few weeks.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? email@example.com