Go to Oarai
Visit Oarai. This is a city close to the ocean where there's a lot of people surfing during the summer time. They have the Aquaworld, one of the biggest aquarium in Japan. In the aquarium, you will be entertained by a lot of dolphin and sea lion tricks. These are trained to do some jumping on hoops and some swimming techniques.You will also see the different winter animals like the penguins. There are some feeding time of the animals and it is wonderful to see the animals come out from their hiding places. There are many things to do for children at the aquarium, too. Entrance fee for the Oarai Aquarium is $18.00 and they have discounts for seniors and children.