Topic: Boat taxi to Railay

Me and my husband are visiting Krabi in first week of June.

Is there a boat from Krabi Town to Railay or one has to go to Ao Nang to catch the boat. What,is name of boat pier at Aao nang. or at Krabi town

We wish to have a day tour of Pi Pi don and PI PI leh Maya beach and other surroundin areas. Is there a tour operating from Railay or we have to come to Aao nang to catch the boat.

Thanks
Induc