Doi Saket
About 40 minutes northeast, Doi Saket has its own self-contained downtown — a market, a hospital, a handful of temples — and is known citywide for its free annual yi peng (lantern release) at Doi Saket Lake, one of the more relaxed and locally-flavored versions of the festival. Far enough that the city's gravity noticeably weakens, but the highway makes the drive manageable once you're on it.
For housing, Doi Saket is the land-and-build district: plots are cheap, land is plentiful, and many expats who want a private-pool villa or a large compound at a fraction of Hang Dong prices end up here. Mill Hill International School is the area's primary expat anchor, and there's a genuine residential community built up around it — Koolpuntville 15 and Ornsirin 6 are the established moobans in that corridor. For daily needs you're looking at local markets and small shops; hospitals and serious shopping mean a run into the city.