steve thompson with the alabama department of public safety 's marine patrol division said that one person was found dead on sunday morning .
during a press conference on sunday , authorities also said crews still are searching for five people missing in the water following dauphin island regatta on saturday - which included more than 100 sailboats and as many as 200 people .
not all of the missing people were participating in the 57th annual regatta , according to authorities , and names of the missing and deceased were not released on sunday .