My friends grandparents had a place up there and I used to go a lot as a kid. I never really fished it much though. There used to be tons of macs around all summer. The Back Shore looks really fishy. Tons of huge boulders and surf. Posted from my iPhone/Mobile device
You can fish Peaks, better from a boat, that way you can access all around the island. I've never fished it from shore, so I can't comment, but I know some people who have, and they've done OK.