The 1998-99 ECHL season was the eleventh season of the ECHL. Before the start of the season, the league saw the Louisville River Frogs move to Miami, FL and the Raleigh Icecaps move to Augusta, GA as well as welcoming two new franchises in Estero, FL and Greenville, SC. The Pee Dee Pride finished first overall in the regular season, winning the Brabham Cup and the Mississippi Sea Wolves won their first Kelly Cup defeating the Richmond Renegades four games to three.