0 1 5 , ▁Gold berg ▁died ▁suddenly ▁while ▁vac ation ing ▁with ▁Sand berg ▁at ▁a ▁private ▁beach - front ▁villa ▁near ▁the ▁Four ▁Se asons ▁Hot els ▁and ▁Res ort s ▁in ▁P unta ▁M ita , ▁Mexico ; ▁he ▁was ▁pron ounced ▁dead ▁at ▁a ▁hospital ▁in ▁Nue vo ▁Vall arta . ▁Gold berg ' s ▁death ▁was ▁initially ▁attributed ▁to ▁falling ▁off ▁a ▁t read mill ▁while ▁exer cis ing ▁at ▁a ▁g ym ▁and ▁suffering ▁head ▁tra uma ▁and ▁blood ▁loss . ▁ ▁Sand berg ▁has ▁subsequently ▁said ▁that ▁her ▁husband ' s ▁cause ▁of ▁death ▁was ▁due ▁to ▁an ▁arr h ythm ia , ▁and ▁not ▁due ▁to ▁falling ▁from ▁a ▁t read mill . ▁ ▁Gold berg ' s ▁brother , ▁Robert , ▁described ▁his ▁family ' s ▁" in cred ible ▁shock ▁and ▁sad ness ," ▁in ▁an ▁online ▁post ▁asking ▁well - w ish ers ▁to ▁post ▁photos ▁and ▁mem ories ▁to ▁his ▁Facebook ▁profile ▁page . ▁" In ▁lieu ▁of ▁don ations , ▁we ▁want ▁to ▁celebr ate ▁his ▁life ▁in ▁a ▁manner ▁that ▁respect s ▁the ▁family ' s ▁priv acy ▁as ▁they ▁co pe ▁with ▁this ▁trag ic , ▁life - ch anging ▁event ," ▁Robert ▁Gold berg ▁wrote . ▁T ributes ▁to ▁Gold berg ▁were ▁posted ▁to ▁social ▁media ▁across ▁the ▁Sil icon ▁Valley ▁community . ▁A ▁sp ok esp erson ▁for ▁Facebook ▁said ▁its ▁execut ives ▁were ▁" heart bro ken ▁by ▁this ▁news ." ▁Mark ▁Z ucker berg