Recs (or warnings:) for plum island, ma

we are going to plum island next Monday for a short anniversary trip. Seems like the plum island grille and bobs lobster will be good (and close) for a couple of meals. And Mad Martha’s cafe for breakfast. Wondering about the Mexican place, Metzy’s? Any opinions? Good bakeries?
Would love to hear any recs of nearby places. Thanks!

Thanks. Sounds like the food was ok but the noise level was not. Maybe going early will be better.