I am going to Crete for a week in early june without my husband and without my son

It's just me, mum and my brother - we're going over for my bro's ex's wedding (she's Cretan) and i am SO looking forward to a rest from everything!
We're staying here:
PETRA VILLAGE HOTEL - APARTMENTS MEZONETES STUDIO - KOUTOULOUFARI HERSONISSOS HERAKLION CRETE