The six articles in this special section focus on the concept of immient communications for smart communities. While walking on the streets, we can identify hundreds of devices connected to the network in many ways, and this is not the end. As per many recent statistics and predictions, we will have billions of devices connected to the Internet and we will be able to reshape the entire living standards and styles of cities through such connectivity. In such a connected environment, one can easily expect a large amount of data to be generated, collected, and analyzed to provide a variety of services, including smart logistics, health care, agricultural reforming, and Smart Grid, with an ultimate goal of improving the consumer’s experience. Collectively, we name these services as a step toward Smart Communities, and in this special section, these articles propose very interesting solutions and architectures for the futuristic smarter communities and cities.