▁" Cap " ▁Dim ick , ▁later ▁the ▁town ' s ▁first ▁mayor , ▁established ▁Pal m ▁Beach ' s ▁first ▁hotel , ▁the ▁C oco an ut ▁Gro ve ▁House , ▁in ▁ 1 8 8 0 . ▁However , ▁it ▁was ▁Standard ▁O il ▁ty co on ▁Henry ▁Flag ler ▁who ▁became ▁instrument al ▁in ▁transform ing ▁the ▁island ▁of ▁j ung les ▁and ▁sw amps ▁into ▁a ▁winter ▁resort ▁for ▁the ▁wealth y . ▁Flag ler ▁and ▁his ▁workers ▁constructed ▁the ▁Royal ▁Po inci ana ▁Hotel ▁in ▁ 1 8 9 4 , ▁The ▁Bre akers ▁in ▁ 1 8 9 6 , ▁and ▁White hall ▁in ▁ 1 9 0 2 ; ▁extended ▁Florida ▁East ▁Coast ▁Railway ▁south ward ▁to ▁the ▁area ▁by ▁ 1 8 9 4 ; ▁and ▁developed ▁a ▁separate ▁city ▁to ▁house ▁hotel ▁workers , ▁which ▁later ▁became ▁West ▁Pal m ▁Beach . ▁The ▁town ▁of ▁Pal m ▁Beach ▁officially ▁incorpor ated ▁on ▁April ▁ 1 7 , ▁ 1 9 1 1 . ▁Add ison ▁M iz ner ▁also ▁contributed ▁significantly ▁to ▁the ▁town ' s ▁history , ▁design ing ▁ 6 4   struct ures , ▁including ▁El ▁Mir as ol , ▁the ▁Ever gl ades ▁Club , ▁and ▁the ▁William ▁Gray ▁W arden ▁House . ▁ ▁The ▁town ▁remains ▁well - known ▁for ▁its ▁past ▁and ▁present ▁famous ▁and ▁wealth y ▁full - time ▁and ▁part - time ▁residents , ▁including ▁United ▁States ▁pres idents ▁John ▁F . ▁Kennedy ▁and ▁Donald ▁Trump