March 25, 2023 @ 9:00 am - 6:00 pm SEER Diving Skills Competition Southend Leisure & Tennis Centre Southend Leisure & Tennis Centre
March 26, 2023 @ 10:00 am - 12:00 pm Water polo Regional Academy Training Royal Hospital School, Ipswich Royal Hospital School, Ipswich
April 16, 2023 @ 11:30 am - 3:30 pm Water polo U16 Boys & Girls Inter Regional Trial & Training session Bedford School Burnaby Road, Bedford
April 22, 2023 - April 23, 2023 SEER Swimming Long Course Championships Sportspark, UEA Norwich Sportspark, UEA Norwich
April 23, 2023 @ 10:00 am - 12:00 pm Water polo Regional Academy Training Royal Hospital School, Ipswich Royal Hospital School, Ipswich
April 29, 2023 - May 1, 2023 SEER Swimming Long Course Championships Sportspark, UEA Norwich Sportspark, UEA Norwich
May 12, 2023 @ 5:30 pm - May 14, 2023 @ 6:00 pm SEER Swimming Long Course Championships Inspire Luton Sports Village Inspire Luton Sports Village
May 13, 2023 @ 9:00 am - May 14, 2023 @ 5:00 pm SEER Diving Age Groups Competition Southend Leisure & Tennis Centre Southend Leisure & Tennis Centre
