S torage units on San Juan Island range from 20 to 250 square feet, with 5x10 units (50 sq ft) fitting most one-bedroom apartments and 10x20 units (200 sq ft) accommodating three to four bedroom homes. The right choice depends on three factors: what you are storing, how long you need access, and whether your items require protection from Pacific Northwest humidity.

Key Points:
Unit sizes range from 5x4 (20 sq ft) for boxes to 10x25 (250 sq ft) for a five-bedroom home
Drive-up access eliminates hallways and elevators, reducing move-in time by 30 to 50 percent
Month-to-month leases with no deposit let you scale storage as needs change
24-hour access is essential for boaters, contractors, and ferry-dependent schedules
Open-air parking costs significantly less than marina dry storage for trailerable boats
 

Storage Unit Size Guide for San Juan Island Residents

Choosing the wrong storage unit size wastes money or forces difficult decisions about what to keep. According to the Self Storage Association, renters who use a size guide before signing a lease report 40 percent higher satisfaction rates. The table below breaks down each unit size available at Friday Harbor Storage, located at 845 Argyle Avenue.

Unit Size Square Feet Comparable Space Best For
5x4 20 sq ft Small closet 5 to 10 boxes, seasonal decorations
5x5 25 sq ft Walk-in closet Garden tools, small furniture, office supplies
5x10 50 sq ft Large shed One-bedroom apartment, mattress set, seasonal gear
10x4 40 sq ft Narrow corridor Lumber, ladders, kayaks, long equipment
10x10 100 sq ft Half garage One-bedroom home, sofa, dining set, appliances
10x14 140 sq ft Large bedroom Two-bedroom home, larger furniture sets
10x15 150 sq ft Spacious bedroom Two-bedroom home, business inventory, outdoor gear
10x20 200 sq ft Small garage Three to four bedroom home, home staging, renovation
10x25 250 sq ft Large garage Four to five bedroom home, major appliances, large inventory

Use the storage unit size guide to visualize exactly what fits in each option. Most San Juan Island residents find that a 5x10 or 10x10 unit covers seasonal storage needs, while second-home owners often prefer 10x15 or larger for furniture between visits.

Essential Features for Island Storage

Not all storage facilities offer the same features. On San Juan Island, certain amenities matter more than they would on the mainland due to ferry schedules, seasonal weather patterns, and the unique needs of island life.

Drive-Up Access Saves Time and Effort

Every unit at Friday Harbor Storage offers drive-up storage with ground-level access. This means no elevators, no hallways, and no dollies required for heavy items. You pull your vehicle directly to your unit door, unload, and leave. For residents hauling items from the ferry terminal, this feature cuts move-in time by 30 to 50 percent compared to indoor facilities with multiple floors.

Drive-up access proves especially valuable for contractors storing tools, boaters loading gear, and anyone moving furniture. The fully paved lot at 845 Argyle Avenue accommodates trucks and vans of all sizes.

24-Hour Access for Ferry-Dependent Schedules

Washington State Ferries operates on a schedule that does not always align with traditional business hours. Early morning departures and late evening arrivals are common for San Juan Island residents. Friday Harbor Storage provides 24-hour storage access through a controlled-access gate, allowing tenants to retrieve or store items at any time.

This feature benefits multiple groups: contractors who need tools before a 6 AM ferry, boaters preparing for dawn fishing trips, and neighbor-island residents from Orcas, Lopez, and Shaw Islands who may arrive on late inter-island ferries. The facility maintains security cameras and well-lit grounds around the clock.

Security Features That Protect Your Belongings

A gated, monitored lot with security cameras provides baseline protection. Friday Harbor Storage adds new roofs on all units, reducing the risk of water intrusion that plagues older facilities in the Pacific Northwest. The well-lit grounds deter unauthorized access during evening hours.

For additional protection, tenants can add a tenant protection plan powered by SafeLease. Coverage includes burglary (with a $100 deductible waived when using a cylinder or disc padlock), fire, water damage including mold and mildew, rodent damage, vandalism, and building collapse. This protection extends to stored vehicles, boats, and trailers.

How to Choose the Right Storage Unit: A Decision Framework

Feeling indecisive about storage options is common. The self storage industry offers dozens of configurations, and choosing wisely requires matching your specific situation to available features. Follow this three-step framework to select the right unit without second-guessing yourself.

Step 1: Inventory What You Are Storing

Create a complete list of items before comparing unit sizes. Group belongings into categories: furniture, boxes, appliances, seasonal items, and specialty equipment. Measure large items like sofas (average 7 to 8 feet long), mattresses (queen is 60 by 80 inches), and appliances (refrigerators average 30 to 36 inches wide).

The Self Storage Association reports that 65 percent of renters underestimate their space needs on the first attempt. Adding 10 to 15 percent buffer space to your estimate prevents the frustration of upgrading mid-lease.

Step 2: Determine Access Frequency

How often you need to access stored items affects both unit size and layout strategy. Frequent-access storage (weekly or more) requires leaving aisles between items and keeping priority belongings near the door. Long-term storage (quarterly or less) allows denser packing but may benefit from a slightly larger unit for organization.

San Juan Island seasonal residents typically access storage four to eight times per year, making a mid-range unit with good organization the most practical choice. Contractors and businesses with daily access needs should prioritize units closest to the facility entrance.

Step 3: Match Features to Your Situation

Use this decision matrix to identify which features matter most for your storage scenario:

Your Situation Priority Features Recommended Size
Seasonal homeowner Month-to-month lease, security, protection plan 10x10 to 10x15
Contractor or tradesperson 24-hour access, drive-up loading, parking option 5x10 to 10x20
Moving between homes Flexible terms, large capacity, easy loading 10x20 to 10x25
Boater or vehicle owner Open-air parking, 24-hour access, affordable rates 10x20 parking space
Neighbor-island resident Ferry proximity, flexible hours, online management 5x10 to 10x10
Small business owner Scalable space, online billing, security cameras 10x10 to 10x25

Boat and Vehicle Storage: A Marina Alternative

Marina dry storage on San Juan Island commands premium rates, often exceeding $15 to $25 per foot per month for covered slips. For owners of trailerable boats under 20 feet, open-air parking provides a practical alternative at a fraction of the cost.

Friday Harbor Storage offers 10x20 open-air parking spaces on a paved, gated lot. These spaces accommodate boats on trailers, cars, motorcycles, and utility trailers. The flat lot design makes backing in straightforward, and 24-hour access means early morning launches remain possible.

Vehicle storage serves multiple purposes on the island. Second-home owners leave cars between visits rather than paying ferry fares for each trip. Contractors park work trucks and trailers overnight. Motorcycle enthusiasts store bikes during the rainy season from October through April.

Business and Contractor Storage Solutions

Island businesses face unique storage challenges. Limited commercial real estate, seasonal demand fluctuations, and the logistics of receiving mainland shipments all complicate inventory management. Business storage in Friday Harbor addresses these challenges with flexible, scalable options.

Contractors benefit from drive-up units that accommodate tools, materials, and equipment without requiring a permanent shop lease. Retail businesses use storage for seasonal inventory, rotating stock between the unit and storefront as tourist seasons shift. Hospitality businesses store extra furniture, linens, and event supplies.

Month-to-month terms allow businesses to scale space up during peak season (May through September) and reduce costs during slower months. Online billing and account management eliminate trips to the facility for administrative tasks.

Storage Tips for San Juan Island Conditions

The Pacific Northwest climate presents specific challenges for stored items. San Juan Island receives approximately 29 inches of annual rainfall, and humidity levels regularly exceed 70 percent during fall and winter months. These conditions affect how you should prepare and organize your storage unit.

Protecting Items from Humidity

Use plastic storage bins with tight-fitting lids rather than cardboard boxes for long-term storage. Cardboard absorbs moisture and weakens over time, potentially collapsing and damaging contents. Place moisture absorbers (silica gel packets or desiccant buckets) throughout the unit, replacing them every 60 to 90 days.

Elevate items off the concrete floor using pallets or plastic shelving. Even well-sealed units can experience condensation on floor surfaces during temperature swings. Furniture should be covered with breathable fabric covers, not plastic sheeting, which traps moisture against surfaces.

Organizing for Efficient Access

Create an inventory list and tape a copy inside the unit door. Label all boxes on multiple sides so contents remain visible regardless of stacking arrangement. Place frequently accessed items near the door and seasonal items toward the back.

Leave a center aisle in larger units (10x10 and above) to reach items without unstacking everything. Stack heavier boxes on the bottom and lighter items on top, limiting stack height to what you can safely lift.

Frequently Asked Questions About San Juan Island Storage

What size storage unit do I need for a one-bedroom apartment?

A 5x10 unit (50 square feet) typically accommodates a one-bedroom apartment including a mattress set, dresser, small sofa, and 10 to 15 boxes. If you have additional items like a dining table, desk, or multiple bookshelves, consider upgrading to a 10x10 unit.

Can I store a boat at Friday Harbor Storage?

Yes. The facility offers 10x20 open-air parking spaces suitable for trailerable boats, cars, motorcycles, and utility trailers. These spaces provide an affordable alternative to marina dry storage rates. Visit the storage FAQ for additional details about vehicle storage requirements.

Do I need a long-term contract?

No. Friday Harbor Storage operates on month-to-month terms with no deposit required. You can rent online in approximately 60 seconds and move in immediately. This flexibility benefits seasonal residents who may only need storage for specific months.

Is 24-hour access really available?

Yes. Tenants receive controlled-access gate codes that work 24 hours a day, 7 days a week. This accommodates early ferry departures, late arrivals, and the unpredictable schedules common to island life.

What protection options are available for stored items?

The facility offers tenant protection plans through SafeLease covering burglary, fire, water damage, rodent damage, vandalism, and building collapse. Coverage extends to stored vehicles, boats, and trailers. The $100 per-claim deductible is waived for burglary claims when tenants use a cylinder or disc padlock.

How do neighbor-island residents access storage in Friday Harbor?

Residents of Orcas, Lopez, and Shaw Islands can reach Friday Harbor via Washington State Ferries inter-island routes. The San Juan Island storage facility is located approximately one mile from the ferry terminal at 845 Argyle Avenue. The 24-hour access ensures you can visit regardless of ferry schedule constraints.

Making Your Final Decision

Choosing yourself a storage unit becomes straightforward when you match your inventory to available sizes and prioritize the features that matter for your situation. San Juan Island residents benefit most from facilities offering drive-up access, 24-hour availability, and month-to-month flexibility.

Friday Harbor Storage maintains a 4.9-star Google rating from San Juan Island neighbors, reflecting consistent service quality and facility maintenance. The combination of ground-level units, paved surfaces, security cameras, and new roofs addresses the practical concerns that matter most for island storage.

For questions about specific unit availability or help choosing the right size, contact Friday Harbor Storage at (360) 865-5817 or email Help@LookingForStorage.com. Online reservations take approximately 60 seconds and allow same-day move-in.

Ready to Reserve Your Storage Unit?
Browse available units, compare sizes, and complete your reservation online in 60 seconds. No deposit required, and same-day move-in is available.
View Available Units
By Jimmy Bedoya June 24, 2026
Friday Harbor Storage installed new roofs across all buildings. Learn how this upgrade protects your belongings from San Juan Island weather year-round.