A friend shared these 2 photos with me from their outing to Hamamatsu-cho (浜松町). Hamamatsu-cho Station on the Yamanote Line is undergoing redevelopment at the moment. A number of new buildings have sprung up on the North exit. You can walk from here down to Shiodome and also Hamarikyu.
I visited Hamarikyu and passed through Hamamatsu-cho as well today.
I have lots more photos from Hamarikyu, but here is a quick preview