Premier League side Fulham are the latest club to confirm their attendance at United's under 18's tournament set to be held at Roots Hall in the summer.
Blues youth team, along with the sides from Premier League outfits Arsenal, Everton and Fulham will take part in a four team competition over the weekend of July 25 and 26.
Two semi-final matches on the Saturday will be followed by a third and fourth play-off and final on the Sunday.
The draw for the semi-finals has already taken place and Southend United will face Arsenal first whilst Everton will line-up against Fulham shortly afterwards.
"We are really looking forward to the tournament," confirmed Head of Youth Ricky Duncan.
"It shows how far we have come that sides with such great youth set-ups are prepared to play us in a tournament.
"Hopefully we will get a good crowd in and the fans will get a chance to see some rising stars of both Southend United and top Premiership teams."
Ticket details for the two day event will be confirmed shortly so keep checking back to southendunited.co.uk over the coming weeks.