Inquiries are estimates only — no bookings or payments are processed online. Call Emerson or Kori to confirm.
Ontonagon, Michigan30,000 sq ft · Heated year-round517-294-6360
FLINTSTEEL STORAGE LLC · UPPER MICHIGAN

Room for
what comes next.

Heated winter storage and a wide-open summer event venue—one landmark building, two very different seasons.

Check availability Call 517-294-6360
Front of the Flintsteel Storage building with its blue awning and original storage sign.
800 Giesau Drive
Ontonagon, Michigan
WINTER · OCT 15 — MAY 15

Put winter
under cover.

Heated indoor space for boats, campers, RVs, pontoons, and more.

Explore storage $35 / foot / season
EVENTS · JUNE 1 — OCT 10

Make room
for a good time.

Standard availability June 1–October 10. Ask about tentative May 15–31 dates.

Plan an event Building rental $1,000
SPACE30,000 sq ftIndoor building area
COMFORTHeatedThroughout the year
ACCESSOn-site parkingRoom to arrive and unload
PEOPLELocally managedDirect help from Emerson & Kori
800 GIESAU DRIVE · ONTONAGON

The building.
The grounds.

A closer look at Flintsteel and the surrounding property.

Aerial view of the Flintsteel Storage building, paved parking lot, and surrounding fall trees.
The building, parking lot, and surrounding trees.
Elevated view of Flintsteel Storage showing the full paved lot and street access.
A view of the property and street access.
A LITTLE PLANNING. A LOT OF ROOM.

Simple from the
first conversation.

Tell us what you need. Our managers work with you on availability, details, and your next steps.

01

Tell us what you have in mind.

Share your item’s dimensions or your event date and rental needs.

02

We’ll confirm what fits.

Emerson and Kori coordinate space, timing, and the details of your rental.

03

Arrange your arrival.

Finalize payment and paperwork, then coordinate drop-off or key pickup.

TALK TO A REAL PERSON

A question before you get started?

Call Emerson or Kori for direct, local answers.

Meet the managers