Penang Global Tourism has set up a website for visitors.  It is being updated on a daily basis with more and more information being added.  So if you want information on

* where to rent a bicycle

* walking up Penang hill

* cookery classes

* where to eat

* nightlife

* where the spas are

* shopping

* street art

* where to stay

* getting around - buses, taxis, trishaws, car rental

* suggested itineraries

* what's on and festivals

and much, more have a look at My Penang or  Visit Penang

The Accommodation pages are extremely informative with a picture of each hotel, pictures of the rooms if available, the address and telephone number, email address, website if it has one, a guide to pricing, whether they have bicycles for hire, laundry facilities, information about wifi and anything else that is relevant.

You can also look at the TA list of Hotels in Penang or Things to do 

The Malaysian Tourism pages are also packed with information as are theeir e-brochures