Visit Island Park Idaho - Mountain Mayhem (Island Park Polaris) specializing in recreational vehicle sales, service, snowmobile and ATV rentals and guided tours. An in house espresso bar and gift shop also reside inside Mountain Mayhem. We invented fun! Visit us today! Mountain Mayhem Home
Located in beautiful Island Park, Idaho - a resort area nestled between two National Parks: Yellowstone and The Grand Tetons.  A great place to play and stay - a destination location. Island Park is a year round playground!  Mountain Mayhem has over 11 years of recreational experience - to help you get the
most out of your vacation.

Our winters receive an average of 227 inches of snowfall, and Island Park has over 500 miles of groomed snowmobile trail.  Mountain Mayhem has over 50 Snowmobile rentals to accommodate the snowmobile enthusiast.  We are also the only place in Island Park that can legally guide you through Caribou/Targhee National Forest. We  have professional guides that can take you from our front door to peaks of over 10,000 feet in mere minutes.

Summers are beautiful with blooming wildflowers, flowing creeks and abundant wildlife.  Hop on one of our ATV Rentals and tour the mountainside - or - take one of our Jet Skis, Boats or Pontoon Boat on a jaunt to one of the many lakes/reservoirs in the area.  You can find everything you need under one roof, here at Mountain Mayhem.  A new gift shop has been added, along with an in house espresso bar and free WIFI to customers.
Island Park is an extraordinary "recreational" paradise -
visit us TODAY!
Thank - You for making
our visit to Island Park so great! We thank you for your generosity
and kindness!
Thank you doesn't seem adequate
to let you
know how grateful we are! You sure know how to bring on the smiles and help create wonderful family memories!
The Famous Henry's Fork River,
located across the street from us.
Taken by: Mike Polkowske
Click for Island Park, ID Forecast
What do you ride??
What do you ride??