3400 Las Vegas Blvd. S.
Las Vegas, NV 89109
- Daily Open 24 Hours
- Free Things to Do: "Time your visit to avoid check in (3 p.m.) and check out (11 a.m.) for the best chance to enjoy viewing the aquarium without a large crowd. Weekends are especially busy at these times."
- Best for Free Things to Do Because: The massive saltwater aquarium behind the Mirage's front desk is a marvel of technology filled with vibrant sea life.