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

A place for
every season.

Your boat’s winter home. Your next gathering’s starting point. Heated indoor storage and room to celebrate, right here in Ontonagon.

800 Giesau Drive, Ontonagon

OCT 15 — MAY 15

Put winter
under cover.

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

Explore storage $35 / foot / season
MAY 20 — OCT 10

Make room
for a good time.

Receptions, parties, and celebrations with space to make them your own.

Plan an event Building rental $1,000
30,000 sq ftIndoor building space
HeatedThroughout the year
Plenty of parkingOn-site parking area
Locally managedEmerson & Kori
A LITTLE PLANNING. A LOT OF ROOM.

Let’s make space
for your plans.

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

01 / GET IN TOUCH

Tell us what you have in mind.

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

02 / WORK OUT THE DETAILS

We’ll confirm what fits.

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

03 / GET READY

Arrange your arrival.

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

A question before you get started?

Talk directly with Emerson or Kori.

Let’s talk