Island Park, Idaho · Near Yellowstone
Island Park Self Storage keeps your boat, camper, snowmobiles, UTVs, ATVs and trailers secure and road-ready on Highway 20 — just minutes from Yellowstone National Park and Harriman State Park. Gated access, wide drive-through aisles, and simple month-to-month terms.
Whether you tow it, ride it, or float it, there’s a spot for it. Our outdoor storage is sized and laid out for the gear Island Park runs on.
Boats & Watercraft
Fishing boats, ski boats and personal watercraft on trailers, ready to launch on Island Park Reservoir or Henrys Lake.
Campers & Travel Trailers
Pop-ups, travel trailers and truck campers parked on level, easy-in gravel with room to maneuver between trips.
Snowmobiles & UTVs
Sleds, ATVs, UTVs and side-by-sides stored close to the trailheads for winter and summer riding.
Trailers & Utility
Enclosed, flatbed and utility trailers kept secure and out of your driveway between trips.
A location built for towing, security you can count on, and terms that flex with the season.
Right off Highway 20
Pull straight in from US-20 at 4554 Highway 20 — no tight town streets to navigate with a long trailer.
Gated & secure
Fenced, gated grounds keep your investment protected through every season while you’re away.
Wide drive-through aisles
Generous lanes make backing in a boat or utility trailer simple, even solo.
Flexible month-to-month
Store for the summer, the winter, or year-round — no long contracts, just space when you need it.
What can I store in your spaces?
Our outdoor spaces are sized for boats, campers, travel trailers, snowmobiles, UTVs, ATVs and utility trailers. (They’re built for towable and ride-in gear — not full-height Class A motorhomes.) Call (208) 558-7112 and we’ll match you to the right length.
Where are you located?
Island Park Self Storage is at 4554 Highway 20 (US-20), Island Park, ID 83429 — minutes from Yellowstone’s west side, Island Park Reservoir and the Continental Divide snowmobile trails.
How do I reserve a space?
Reserving is easy. Call (208) 558-7112 or stop by the office, open 9:00 AM–5:00 PM daily, and we’ll get your boat or trailer stored the same day when space is available.
Can I store my boat or trailer year-round?
Yes. Our month-to-month terms let you keep your boat, trailer or snowmobiles here through a single season or all year — whatever fits how you ride.
Space near Yellowstone fills up fast each season. Call now to lock in your boat, trailer or toy-hauler spot on Highway 20.
Address
Island Park Self Storage
4554 Highway 20
Island Park, ID 83429
Office Hours
Sunday - 9:00 AM - 5:00 PM
Monday - 9:00 AM - 5:00 PM
Tuesday - 9:00 AM - 5:00 PM
Wednesday - 9:00 AM - 5:00 PM
Thursday - 9:00 AM - 5:00 PM
Friday - 9:00 AM - 5:00 PM
Saturday - 9:00 AM - 5:00 PM
© Island Park Self Storage 2026. All rights reserved.