Waitangi is the main settlement of Rēkohu (Chatham Island / Wharekauri).
Hotel Chatham is the centre of all visitor activity. It's the main accomodation, and only restaurant and bar on the islands.
The Waitangi Store is the main grocery and supply store. Given the island’s population of 600, it's not large. It seems many people import their own goods directly.
Small towns make for interesting combinations. They also tell Sam’s life story (but not necessarily in that order…)
The petrol station and hardware store: