Travelers are voting Seattle Aquarium as the best aquarium in Seattle. There is 1 aquarium in Cloverdale a city just 182 km from Seattle. The most popular of these is Oregon Coast Aquarium in Cloverdale. You can find 1 aquarium in Washington and 35 aquariums in the country of United States. Seattle Aquarium is the top pick in United States. Want more? Check out our map of aquariums in Seattle.