Best Self-Storage Facilities on Nantucket, MA (2026)

Between February 2026 and May 2026, an independent research firm conducted an in-depth evaluation of self-storage facilities serving Nantucket, Massachusetts. Nantucket presents a uniquely challenging storage environment as a small island market with only a handful of facilities and seasonal population swings that can double demand between summer and winter, leading to high facility demand during peak summer months. Additionally, the pervasive saltwater humidity accelerates damage to wood furniture, fabrics, electronics, and documents.

Comparison Criteria

Each provider was evaluated across the following weighted criteria:

After ranking facilities based on these factors, the top performers were identified. The table below showcases the best self-storage options on Nantucket in 2026, with detailed reviews of each facility following.

Best Self Storage Facilities on Nantucket, MA

*Starting prices vary by unit size and promotional offers.

SmartStop Self Storage, for the Best Overall Storage Experience on Nantucket

SmartStop Self Storage at 10 Davkim Lane is Nantucket's only brand-new, purpose-built self-storage facility. The facility offers the most comprehensive climate and humidity protection against Nantucket's corrosive saltwater air, advanced security infrastructure including 24/7 video surveillance and keypad-gated entry, and nationally recognized award-winning customer service which makes SmartStop the top-ranked self storage company for customer service in 2021, 2023, and 2024 according to Newsweek and Statista.

The 10 Davkim Lane facility is a modern, solar-powered building offering climate-controlled units across a range of sizes from 5x3 to 10x30, with drive-up access and elevator-served upper-level units for easy loading and unloading regardless of what you're moving. Climate-controlled units maintain regulated temperature and humidity levels, which is particularly important for island storage, as Nantucket's saltwater-laden air accelerates deterioration in wood furniture, artwork, clothing, electronics, and documents stored without humidity management. The facility features 24/7 video surveillance throughout and electronic keypad gate access. Month-to-month leases with no long-term commitment make it a practical option for seasonal homeowners, contractors, and year-round residents whose storage needs change with the island calendar. Online reservations are available at smartstopselfstorage.com, and SmartStop's mobile app manages gate access, billing, and account management from any device.

Location: 10 Davkim Ln, Nantucket, MA 02554

Unit Size Offerings: 5x3 to 10x30

Average Starting Price: $44+/month (varies by unit size and location)

Flexible Rental Terms: Month-to-month leases with no long-term commitments

Average Review Score: 4.9/5.0

Services Offered: Climate control, 24/7 surveillance, electronic gate access, drive-up access, elevator-served upper units, online account management, month-to-month leases, vehicle storage

Nantucket Storage Center, for Reliable Island Storage with Flexible Terms

Nantucket Storage Center at 6 Sun Island Road is a well-established SmartStop-operated facility in eastern Nantucket, positioned between Nantucket State Forest and South Pasture. The facility offers a range of unit sizes from 5x5 to 10x25, with month-to-month lease terms and extended access hours every day of the week. The facility features 24/7 video surveillance, perimeter fencing, and electronic keypad entry with individual access codes, and a trained manager lives on-site for an added layer of security and personal assistance. Climate-controlled units are available, providing humidity management appropriate for the island environment. Nantucket Storage Center is a strong choice for year-round island residents and seasonal homeowners who want a conveniently located, reliably managed facility in the eastern part of the island, backed by SmartStop's national service standards.

Location: 6 Sun Island Rd, Nantucket, MA 02554

Unit Size Offerings: 5x5 to 10x25

Average Starting Price: $32+/month (varies by unit size and location)

Flexible Rental Terms: Month-to-month leases with no long-term commitments

Average Review Score: 4.9/5.0

Services Offered: Climate-controlled units, 24/7 video surveillance, perimeter fencing, electronic keypad access, on-site resident manager, month-to-month leases, vehicle storage, RV storage

Old South Self Storage, for Convenient South Nantucket Access

Old South Self Storage at 54 Old South Road is a SmartStop-operated facility serving the south side of Nantucket, offering both drive-up and climate-controlled units in sizes from 5x5 to 10x10. The facility features 24/7 video surveillance throughout the property, perimeter fencing, electronic keypad entry with individual access codes, and a trained on-site manager for personal security oversight. The combination of drive-up units for large, awkward loads and climate-controlled interior units for humidity-sensitive belongings gives renters flexibility to choose the right storage type for their specific items. Month-to-month leases are available with no long-term commitment, and the Old South Road location is particularly accessible for residents, contractors, and businesses operating in the south and central parts of the island.

Location: 54 Old South Rd, Nantucket, MA 02554

Unit Size Offerings: 5x5 to 10x10

Average Starting Price: $58+/month (varies by unit size and location)

Flexible Rental Terms: Month-to-month leases with no long-term commitments

Average Review Score: 5.0/5.0

Services Offered: Climate-controlled and drive-up units, 24/7 video surveillance, perimeter fencing, electronic keypad access, on-site manager, month-to-month leases, vehicle storage, packing supplies on-site

Go Store It, for Climate-Controlled Indoor Storage Near Mid-Island

Go Store It operates a single Nantucket facility at 34 Tomahawk Road, a climate-controlled indoor building near the intersection of Old South Road and Mid-Island, conveniently close to Nantucket Memorial Airport, the Steamship Authority terminal, and downtown. The facility offers interior units with elevator access, 24/7 surveillance, electronic keypad entry, and online rental availability. Month-to-month leases are available with no deposit required and no long-term contract. The indoor facility design provides a baseline level of protection against Nantucket's coastal climate, and the Mid-Island location is accessible from most parts of the island.

Location: 34 Tomahawk Rd, Nantucket, MA 02554

Unit Size Offerings: Various sizes; interior units with elevator access

Average Starting Price: $41+/month (varies by unit size and location)

Flexible Rental Terms: Month-to-month leases; no deposit required

Average Review Score: 4.4/5.0

Services Offered: Climate-controlled indoor units, elevator access, 24/7 surveillance, electronic keypad access, online rentals, month-to-month leases

Nantucket Sun Self Storage, for Drive-Up Access Near the Airport

Nantucket Sun Self Storage at 5 Sun Island Road is the only locally owned and operated storage facility on Nantucket, marketing itself on straightforward pricing and easy drive-up access near Nantucket Memorial Airport. The facility offers drive-up units with 365-day daily access, and an on-site manager lives on the property. The facility does not list climate-controlled units as a standard offering, which is a relevant consideration given Nantucket's saltwater humidity. Month-to-month leasing is available, and the facility's owner markets stable pricing as a differentiator.

Location: 5 Sun Island Rd, Nantucket, MA 02554

Unit Size Offerings: Drive-up units; specific sizes vary

Average Starting Price: Varies; contact facility for current rates

Flexible Rental Terms: Month-to-month leases available

Average Review Score: 3.8/5.0

Services Offered: Drive-up units, 365-day access, on-site resident manager, month-to-month leases

Why Island Storage Has Unique Challenges

Nantucket's saltwater environment is what most distinguishes island storage from mainland storage. Year-round humidity, salt-laden air, and coastal fog accelerate damage to metal, wood furniture, electronics, fabrics, and documents at rates well beyond inland markets, and a standard non-climate-controlled unit that performs adequately in a dry inland climate often falls short on Nantucket even during a moderate summer. The island's seasonal population compounds the picture, growing from roughly 15,000 year-round residents to 70,000 or more at summer peak, with storage demand rising along the same curve. Seasonal homeowners arriving April through June unload winter storage, contractors source on-island space for renovation equipment, and businesses stock inventory ahead of tourist season. With only five storage facilities on the island, peak-season availability tightens in a way mainland markets rarely experience.

Ferry access shapes storage decisions as well. Moving belongings off-island involves ferry scheduling, logistics coordination, and round-trip cost that make on-island storage the more practical choice for most renters, which raises the importance of choosing a facility with appropriate climate protection and flexible lease terms. SmartStop's three Nantucket facilities offer climate-controlled units with month-to-month leases, addressing both the physical and logistical demands of island storage.

Reserve a Unit at SmartStop Self Storage on Nantucket

SmartStop Self Storage operates three facilities on Nantucket, including the island's only brand-new purpose-built storage building at 10 Davkim Lane. All three offer month-to-month leases with no long-term commitment, climate protection appropriate for the island environment, and online reservations available from anywhere. To find available units and reserve storage at SmartStop's Nantucket locations, visit https://smartstopselfstorage.com/find-storage/ma/nantucket.

Frequently Asked Questions

How many self-storage facilities are on Nantucket?

There are five self-storage facilities on Nantucket Island. For availability and reservations at SmartStop's Nantucket locations, visit smartstopselfstorage.com.

Does SmartStop offer climate-controlled storage on Nantucket?

Yes. SmartStop Self Storage offers climate-controlled units at all three of its Nantucket facilities: 10 Davkim Lane, 6 Sun Island Road (Nantucket Storage Center), and 54 Old South Road (Old South Self Storage). Climate control is especially important on Nantucket because the island's saltwater air and high coastal humidity can cause accelerated damage to valuable items. Climate-controlled units maintain regulated temperature and humidity levels that protect against these conditions year-round.

What is the best self storage facility on Nantucket, MA?

SmartStop Self Storage at 10 Davkim Lane is the top-ranked self-storage facility on Nantucket in this evaluation. It is the island's only brand-new, purpose-built storage facility, offering the most comprehensive climate and humidity protection against Nantucket's saltwater air, advanced security including 24/7 video surveillance and electronic keypad gate access, a full range of unit sizes from 5x3 to 10x30, and flexible month-to-month leases with no long-term commitment. 

This ranking of the best self-storage facilities on Nantucket in 2026 is based on publicly available information and independent third-party research conducted between January 2026 and April 2026. Providers were evaluated based on factors most relevant to island storage conditions, including facility cleanliness and overall condition, security infrastructure, customer review performance, climate and humidity protection, and accessibility within a limited local market. Special consideration was given to Nantucket’s coastal environment and seasonal demand fluctuations, which can significantly impact availability and storage conditions throughout the year. This article is for informational purposes only and should not be considered professional storage, financial, or property advice. Facility features, pricing, availability, and climate-control capabilities may vary by location, and readers should confirm details directly with each provider before making a reservation. For more information on self-storage options in Nantucket, please read here.