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Rocky cliff overlooking the Maine coast

RV storage in Portland, ME

22 facilities compared · Prices checked August 2026

$99median monthly price
·
22facilities
·
$45–$150price range
·
4/14/15covered / indoor / outdoor

Pricing researched directly from facility websites and verified by our team. How we research →

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22 facilities
Best Value
Elm St RV/Boat/Car Storage

Portland, ME · 5 (8)

$45–$79/mo

Outdoor · Up to 50 ft · Daily 9 AM–8 PM

security camera monitored · electricity available

Best Value
Southern Maine Storage

Portland, ME · 4.3 (24)

$75–$325/mo

Indoor & Outdoor · Up to 40 ft · Mon–Fri 8:30 AM–5 PM

24/7 Video Surveillance · Gated keypad access

Fits 50 ft
Maine Boat RV Storage

Portland, ME · 5 (6)

$100–$150/mo

Indoor & Outdoor · Up to 50 ft · Daily 8 AM–5 PM

Electric Available

All American Self Storage

Portland, ME · 4.3 (82)

$98–$104/mo

Indoor & Outdoor · Mon–Fri 9:30 AM–6 PM · Sat 9…

24/7 video surveillance · Gated keypad access

Westbrook RV & Boat Storage

Portland, ME · 4.5 (17)

$124–$150/mo

Outdoor · Mon–Tue 11 AM–7 PM · Wed 8 A…

security camera monitored

Riverside Street Self Storage - Portland

Portland, ME · 4.9 (34)

$150/mo

Outdoor · Mon–Fri 9 AM–5 PM · Sat 9 AM…

Best Rated
Maine Coast Storage

Portland, ME · 5 (166)

Call for rates

Indoor & Outdoor · Up to 30 ft · Mon–Fri 9 AM–5 PM · Sat 10 A…

Video surveillance · Military discount

1st Choice Storage LLC

Portland, ME · 5 (7)

Call for rates

Covered & Indoor · Mon–Fri 9 AM–5 PM

Showing 8 of 22

Portland anchors southern Maine's storage market — a market dominated by boats (lobster boats, sailboats, powerboats for the coast and islands) with a growing RV segment. Maine winters are long and harsh: rigs go into storage by mid-October and don't come out until May. The boating season is short (June–September), which means storage is the longer state. Facilities cluster along the I-95 and US-1 corridors, with marine-focused yards in the Casco Bay area.

Portland RV storage FAQs

How much does RV storage cost in Portland, Maine?

Southern Maine rates are moderate to high for New England. Outdoor spaces typically start around $50–$100/month. Marine storage — which dominates this market — has its own pricing structure that often runs higher than standard RV lots.

How long is winter storage in Maine?

Long. Most rigs go in by mid-October and don't come out until late April or May — roughly seven months. Many facilities offer seasonal rates for this extended period, which can be significantly better than month-to-month.

Do I need to winterize in Maine?

Yes — this is non-negotiable in Maine. Winters regularly bring sub-zero temperatures, and the coast adds salt air and nor'easter moisture. Full winterization, shrink-wrapping, and battery removal are standard. Most marine yards include winterization as part of their storage package.