Sea fishing around the peninsula
The map shows the area broken into 3 zones, North, West and South these correspond to the 3 sides of the peninsula.
Each coastline offers a different challenge to the angler:-
 

The South Coast (Harlech - Abersoch)
The fishing is mostly from clean shallow sandy beaches with the estuary of the river Glaslyn at Porthmadog and the headlands at Penychain, Gimlet Rock, and Llanbedrog being the notable exceptions. The main species encountered from shore are:- bass, thornback ray, dogfish, whiting, bream, mackerel, mullet, dabs, flounder, pollock, wrasse, silver eels and occasional plaice. The beach running north from Harlech towards the Glaslyn estuary produces occasional small turbot.
 

The West Coast (Abersoch - Morfa Nefyn)
With the exceptions of Hells Mouth, Aberdaron and Whistling Sands the coastline here is rocky with high cliffs and only the occasional sandy cove. The species encountered from this part of the coast are:- bull huss, pollack, dogfish, conger, wrasse, bass, ray, mackerel, whiting and plaice.
 

The North Coast (Morfa Nefyn to Dinas Dinlle)
This North Coast is mostly one of shallow sandy beaches the only exceptions to this are being the old dock at Pistyll and the pier at Trefor. The main species worth targeting here are:- bull huss, pollack, dogfish, bass, ray, mackerel, whiting, dabs, coalfish and plaice.