20ft Containers for Sale

For secure storage and shipping

Key Benefits of 20ft Containers

  • 20ft (6m) length suitable for business sites and homes with limited space.

  • 33m³ capacity provides plenty of space for goods and personal effects.

  • Standardised dimensions compatible with international shipping requirements.

  • Corrosion-resistant Corten steel protects contents from harsh ocean conditions.

  • Wide range of second-hand containers and special units, with modification services available.

20ft shipping containers offer ample storage space with a compact footprint: an ideal option for homes and businesses with size limitations. 20ft containers are also a standard dimension compatible with international shipping infrastructure, making them suitable for transporting cargo by sea or rail.

SEA Containers NZ provides high-quality 20ft shipping containers at over 50 depots across the North Island, South Island, and Pacific Islands. Our 20ft containers are structurally sound, secure, and fully weatherproof.

We supply both standard and specialised 20ft container types, including reefer, flat-rack, and side-opening. For an even more cost-efficient self-storage option, check out our second-hand shipping containers.

Fill out our Instant Quote Form or call 0508 732 266.

Types of 20ft Shipping Containers for Sale

Front view of a new build 20ft GP shipping container from 2013.

Standard 20ft Shipping Containers

Suitable for general use, equipment, merchandise, and household items.

High Cube

High-Cube 20ft Shipping Containers

Same length and width with 30 cm extra height for larger goods.

20ft B-grade operating reefer container for temperature-controlled storage.

20ft Refrigerated Shipping Containers

'Reefers' can be set to temperatures from -20°C to +18°C for moving perishable foods.

20ft Dangerous Goods Shipping Containers

Ventilation, special flooring, and safety features for securely moving hazardous materials.

Blue 20ft opensider shipping container for secure storage.

20ft Side-Opening Shipping Containers

Easy access for heavy goods or unusually shaped equipment and stock.

A 40ft open top shipping container located in Auckland.

20ft Open-Top Shipping Containers

For moving or accessing oversized goods easily. High-cube models are available.

20ft insulated reefer shipping container for cold storage.

20ft Insulated Shipping Containers

Foam-filled walls keep sensitive goods at consistent ambient temperatures.

20ft Flat-Rack Shipping Containers

Fixed or collapsible end walls allow for easy unloading.

New and Used 20ft Shipping Containers

A-Grade Containers

Virtually pristine, single-trip containers. Ideal for high-end modifications and sensitive storage.

B-Grade Containers

Thoroughly inspected, providing excellent value without compromising structural integrity.

C-Grade Containers

Sold ‘as-is’, often with previous repair patches. Affordable storage for agricultural, industrial, and personal use.

Converted 20ft shipping container with glass doors for commercial use.

Container Modification Services

Do you need a portable building or storage space on a budget? We offer container modification services across New Zealand. Our modification options include:

  • Custom-sized shipping containers
  • Doors, windows, lights, insulation, ventilation, and more
  • Container conversions for construction, retail, and home
  • Containers branded with your logo and company colours

Additional Information

  • 20ft containers can store around 10 pallets (enough to pack up the average 3-bedroom home). See our full 20ft container dimensions page for more sizing information.
  • We will deliver your container with a HIAB truck or swinglift.
  • If you’re looking for a temporary storage option, ask about 20ft shipping container hire for short- or long-term use.
20FT Container being delivered by Hiab
Two Black 20FT Containers in Te Anau

Why Choose SEA Containers?

  • Wide container range: Choose the best size, height, and grade for your use case.
  • Custom modifications: We can customise your container to exactly fit your needs.
  • Competitive pricing: We offer industry-leading value, quality, and durability.
  • Dedicated customer support: Our team is based in New Zealand and ready to help.
  • Flexible options: Buy or hire the container size of your choice.
  • Reliable delivery: Enjoy quick delivery anywhere in New Zealand or the Pacific Islands.

Customer Testimonials​

How to Get Started

1. Consultation

We assess your intended use, location, and timeframe requirements.

2. Container Selection

​Our specialists advise on the right container type for you.

3. Quality Assurance

Comprehensive inspection ensures structural integrity before delivery.

4. Delivery

Our logistics team arranges container placement according to your specifications.

5. After-Sales Support

We provide practical maintenance guidance to maximise the lifespan of your container.

Get a Quote for Your 20ft Storage Container

SEA Containers has earned recognition from prominent business authorities, having been named in the prestigious 2022 Master of Growth Index by Deloitte Fast 50 for its exceptional operational expansion and market development across New Zealand.

Our specialists are standing by to understand your needs and recommend the perfect solution.

Ready to explore container solutions for your storage or shipping requirements? Visit our container depots for personal inspection or call 0508 732266 today. Alternatively, fill our Instant Quote Form online.

New beige 20ft shipping container available in Auckland.

Frequently Asked Questions

How much can a 20ft container hold?

A standard 20ft container can hold up to 25,400 kilograms.

What can I store in a 20ft container?

With 38 cubic metres of space, these containers typically accommodate the contents of a 3-bedroom house, 200+ standard pallets, or substantial commercial equipment and inventory.

Can a 20ft container be modified?

Absolutely. We handle everything from basic container modifications to full custom fit-outs for offices, retail, specialised storage, and accommodation.

Do you offer delivery and setup services?

Yes, we deliver containers throughout New Zealand and the Pacific Islands. We use an HIAB truck or swinglift, depending on your site.

How secure are 20ft containers?

Our containers offer exceptional security through robust steel construction and reinforced door systems, and optional lockboxes and alarms.