For bicycle and motorbike rentals, check out Moto Stelios (near Cine Diana in Poros Town and at Askeli) Tel. +30 229 802 3206, or Moto Kostas in Perlias, Tel. +30 229 802 3565.
A bus service runs every hour from 7am until midnight (mid-June to October) from Plateia Iroon in town to Zoodohou Pigis Monastery and Neorion Beach.
More information about Poros is available here.