Tsubame Things to Do
To see the sea of japan you need to cross over the mountains. Although once you cross over ther mountains you are no longer in Tsubame. I visited in the late fall, So it wasnt the best swiming weather ( as you can tell by what Im wearing in the photo). I am sure you can swim in the summer but its not the warmest water.
There is tons of fish markets all along the water that are also intresting to see.