We were on the big island for 10 nights and almost always ate breakfast and dinner in the vacation rental and packed a simple lunch.I don't think prices at the supermarket were crazy high, but it was more expensive than at home in Miami. Our neighbor unloading a basket of bananas on us really helped though.

Here's what we spent at the safeway supermarket for two people for 10 nights.SAFEWAY STORE00015QPSKAILUA-KONAHI $48.41SAFEWAY STORE00015QPSKAILUA-KONAHI $44.61SAFEWAY STORE00015QPSKAILUA-KONAHI $56.54total = $148We also bought some snacks at Target and Walmart..