Once upon a time, micro-housing was going to rescue the Boston housing market from its often absurdly high prices and gnawing scarcity. That did not happen, but that does not mean that micro-housing is not a feature of the city's real estate market.
It is—in the sense that there are plenty of smaller homes available. This map charts currently available Boston condos of no more than 550 square feet (h/t real estate listings site Estately for the data and the photos).
Beware: Smaller does not equal cheaper.
- Boston micro-apartments: a brief history of the trend [Curbed Boston]