Banjarmasin city is the capital of South Kalimantan province, as well as the largest and the most populous city in Kalimantan. River into the container main activity ancient times to the present society, particularly in the areas of trade and transport. The rivers that cut through the city, pursued as a magnet economy, especially tourism. The River revitalization program has been implemented by the government. Revitalization of the building aims to increase the river potential. Thermal comfort during the day need to be considered. The research was conducted in three places: 1) Siring Tendean, 2) Sasirangan Village and 3) Bilu Village. Results regression thermal comfort of indoor and outdoor shows significant value, with coefficient of determination (R 2) between 0.5345-0.807. Conditions most comfortable outdoor environment is open space in Siring and a more comfortable indoor conditions in floating houses. This could be due to the high humidity and the wind flow was pretty good, because the open area around the river. KEYWORDS:Indoor and Outdoor, Thermal Comfort, Public Space, Housing, Around River.