350 East 3rd Street
Dubuque, IA , 52001

Phone: 563-557-9545

Website

Part aquarium, part museum, part science center, the National Mississippi River Museum & Aquarium inspires stewardship by creating educational experiences where history and rivers come alive!

Machine 2 is located inside the west building with the big paddle wheel outside the entrance. All have "RIVERMUSEUM.COM" in the border. Admission is required. The designs are:
1) River Otter,
2) Paddlefish,
3) Alligator,
4) Red-Eared Slider

Machine 3 is located inside the east building. All have "RIVERMUSEUM.COM" in the border. No admission is required. The designs are:
1) Puffer Fish,
2) Stringray,
3) Octopus,
4) Green Sea Turtle

Retired 1: 1) Logo, 2) Ship's paddlewheel, 3) Mark Twain sitting reading a book, 4) Lady looking at fish in an Aquarium tank.

7/22: Machine 1 is retired.

8/17/25: Both machines are working well.
Clerk was irritated that we wanted to come in and only use the penny machine. She begrudgingly let us go to the gift shop.
The other machine was still in the east building and another friendlier docent showed us where it was and allowed us to use it without admission. All designs are the same.