In 2014, Point University and former member Edward Waters College joined the conference for football only. Starting with the 2016 season, all six football members moved to the Mid-South Conference for that sport.[2] Charter member Embry–Riddle Aeronautical University departed the conference on June 30, 2015 and joined the Sunshine State Conference (D-II). In 2017, the College of Coastal Georgia joined the Sun Conference,[3] with the conference again standing at a total of 12 members. In 2018, Sun Conference member Keiser added football[4] but Edward Waters left the Mid-South football league. In 2019, Saint Thomas also added football and Florida Memorial re-added the sport after more than 60 years,[5][6] bringing the number of members participating in football to 8.
On June 25, 2020, Johnson & Wales announced it would close down its North Miami campus at the end of the 2020-21 school year,[7] and on July 28, Johnson & Wales North Miami discontinued all sports.[8]
On April 14, 2021, South Carolina–Beaufort reported its invitation to join the Division II Peach Belt Conference in 2022 after applying for membership in, and pending acceptance into, the NCAA.[9] The conference published on December 22 its reinstatement of football for the 2022 season, having grown to seven schools,[10] with Thomas initiating football to become the eighth football member.[11] By July 15, 2022, USCB was already accepted into the Continental Athletic Conference, formerly the Association of Independent Institutions, only for the first of its three-year NCAA provisional membership but with a Peach Belt schedule as part of the Sand Sharks' dual NAIA-NCAA membership.[12]
On July 1, 2022, Thomas announced that they would leave the conference and join the Southern States Athletic Conference (SSAC), starting in the 2023–24 academic year.[13] They remain in the Sun Conference as an affiliate member for football from that day forward.
2003 - Palm Beach Atlantic left the Florida Sun and the NAIA to join the NCAA Division II ranks as an NCAA D-II Independent after the 2002-03 academic year.
2010 - Edward Waters left the Sun Conference to join the Gulf Coast Athletic Conference (GCAC) after the 2009-10 academic year.
2012 - Thomas University joined the Sun Conference in the 2012-13 academic year.
2014 - Point University joined the Sun Conference as an affiliate member for football (with Edward Waters re-joining) in the 2014 fall season (2014-15 academic year).
2015 - Embry–Riddle left the Sun and the NAIA to join the NCAA Division II ranks and the SSC after the 2014-15 academic year.
2015 - Northwood–Florida left the Sun Conference as the school announced that it would close after the 2014-15 academic year. However, Keiser University purchased the location, therefore it has inherited everything Northwood–Florida had sponsored (including its athletic program) and joined the Sun Conference in the 2015-16 academic year.
2017 - Point and Edward Waters left the Sun Conference as affiliate members for football after the 2016 fall season (2016-17 academic year).
2020 - Johnson and Wales–Florida left the Sun Conference as the school announced that it would close after the 2019-20 academic year.
2022 - South Carolina–Beaufort (USCB) left the Sun Conference to join the Continental Athletic Conference, in addition to the NCAA Division II ranks and the Peach Belt Conference (PBC) in the 2022-23 academic year. USCB left the CAC and the NAIA after that school year to focus on the Peach Belt and the NCAA.
2022 - Thomas (Ga.) announced that they would leave the Sun Conference and join the Southern States Athletic Conference (SSAC) beginning the 2023-24 academic year.[14]
^Represents the calendar year when fall sports competition begins.
^Keiser University's teams were the teams of Northwood University's Florida campus until Keiser University purchased it in 2015 and made the teams its own.
^Savannah A&D had sponsored men's or women's basketball until after the 2008–09 school year.
The Sun had two former affiliate members, both were private schools:
For the 2014 and 2015 football seasons, Edward Waters and Point joined the conference. All six members moved to the Mid-South Conference for the 2016 season. With the exception of Point, which participates in the Appalachian Division, these teams plus Faulkner University now form the Sun Division of the Mid-South Conference.[20]