Authentic Mexican Cuisine and Drinks in Downtown Oconomowoc and on Main St in Sullivan, WI

Private Parties

Book your parties in Fiesta's party room!

We'll do the cooking and mix the drinks while you and your guests enjoy the festivities.

The semi private room holds up to 40 but we can make special arrangements for larger groups.

Most popular options are our Taco and Fajita bars!

Stop in, call, or email for more information!

Fiesta can also prepare large quantities of our food for you to take home!

Gift Cards

Looking for a great gift idea?

Give a Fiesta Canun gift card!

Any denomination!

Available for purchase in our Cantina.

Outdoor Patio Seating

Fiesta Cancun Sullivan


Tuesday - Thursday

Lunch 11am - 2pm
Dinner 2pm - 10pm


Lunch 11am - 2pm
Dinner 2pm - 11pm


Dinner 11am - 11pm


Breakfast 8am - 1pm
Dinner 11am - 10pm

Closed Mondays

Fiesta has a sister restaurant in Sullivan, WI! *Same* great food and drinks!