Mountain Mayhem

Mountain Mayhem Mountain Mayhem is a locally owned business in Island Park, Idaho. Tania works behind the scenes, managing bookkeeping and advertising.

Kevin, lead technician, handles repairs and maintenance for powersports and marine equipment with expertise and care.

❄️🚤 DON’T LET WINTER WIN! 🚤❄️Boating season may be winding down, but there’s one more important thing to do before you p...
09/04/2026

❄️🚤 DON’T LET WINTER WIN! 🚤❄️

Boating season may be winding down, but there’s one more important thing to do before you park that boat for the season — get it winterized!

Protect your investment from costly freeze damage and make sure your boat is ready to hit the water when warmer weather returns.

🔧 Professional boat winterization
❄️ Engine & fuel system care
🔋 Battery & electrical
🛥️ Off-season prep

Mountain Mayhem has been keeping Island Park playing for over 30 years, and we’d love to take care of your boat this winter.

📍 Island Park, Idaho
📞 208.558.7390

Give us a call and get on the schedule before the Island Park freeze arrives! Madalynn Michelle Bissette Tania Roth Phillips

09/02/2026

Operation! Who would play? ⚡️⚡️

📚 CLASS IS BACK IN SESSION! 🍎The kids may be heading back to school, but fall riding season is just getting started! 🍂Do...
08/11/2026

📚 CLASS IS BACK IN SESSION! 🍎

The kids may be heading back to school, but fall riding season is just getting started! 🍂

Don’t wait until hunting season or your next big ride to find out your side-by-side needs a little attention. Bring it into Mountain Mayhem and let us help get it trail-ready!

🔧 Side-by-Side Repairs
⚙️ Maintenance
🛞 Parts & Service

Fall will be here before we know it — now is the time to get it checked!

📍 3388 Highway 20 • Island Park, Idaho
📞 208-558-7390

Mountain Mayhem — keeping you running for 30+ years!!

The time has come for your next session.✨️🏞✨️
07/20/2026

The time has come for your next session.✨️🏞✨️

🌊 Neon skies. Hot days. Boat waves. 😎Your cooler is packed...Your friends are ready...But is your boat?Swing by Mountain...
07/14/2026

🌊 Neon skies. Hot days. Boat waves. 😎

Your cooler is packed...
Your friends are ready...
But is your boat?

Swing by Mountain Mayhem before your next lake adventure. We'll help keep you on the water where you belong.

📞 (208) 558-7390
📍3388 Highway 20 • Island Park, ID

Boat days are the best days—let's keep them that way! 🚤☀️ Tania Roth Phillips Madalynn Michelle Bissette

Address

3388 North Highway 20
Island Park, ID
83429

Opening Hours

Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 5pm

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