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interislander.co.nz
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interislander.co.nz

13 technologies
VerifiedGrowingVisit310.1K/mo$117M36913 Tech
Deep Dive

Interislander: The 60-Year Monopoly on Cook Strait

How a legacy ferry dominates New Zealand's most critical transport link.

For over 60 years, Interislander hasn't just sailed the Cook Strait; it has owned it. As the original ferry operator connecting New Zealand's North and South Islands, it controls the most vital economic artery in the country. This isn't just a ferry service; it's a national infrastructure asset with a captive audience.

310K
monthly visits
$116.7M
annual revenue
65%
organic search
135K+
backlinks

"They don't compete on traffic; they own the route. In a duopoly with no real alternative, Interislander's biggest challenge isn't customer acquisition—it's operational excellence."

The SEO Fortress

With 310,000 monthly visits and a staggering 65% coming from organic search, Interislander has built an unassailable digital moat. Ranking #1 for 'interislander' (12.6K monthly volume) and 'wellington to picton ferry' is table stakes. The real power lies in the 135,542 backlinks—a testament to decades of brand authority and integration into New Zealand's tourism ecosystem. They aren't buying traffic; they are the destination.

Infrastructure vs. Experience

Interislander operates as a heavy industrial logistics company wrapped in a tourism brand. With 369 employees and $116.7M in revenue, the math reveals a revenue per employee of roughly $316,000—high for transport, indicating efficient asset utilization. However, their tech stack (jQuery, Bootstrap, legacy frameworks) suggests a focus on utility over cutting-edge UX. The site functions as a booking engine first, experience portal second.

The data reveals a fascinating dichotomy. While the brand markets 'breathtaking views' and 'premium lounges,' the traffic intent is overwhelmingly functional. Users search for 'ferry wellington to picton' (2,060 volume) not for the joy of the journey, but out of necessity. This is a volume business built on a geographic choke point.

  • Monopoly on the Cook Strait route creates immense pricing power
  • Heavy reliance on organic search indicates strong brand equity
  • Tech stack is functional but lacks modern progressive web app (PWA) depth
  • Revenue per employee suggests high operational efficiency
No aggressive digital innovation in tech stack
Dominant market position with zero real competition
Traffic is necessity-driven, not leisure-driven
Massive backlink profile creates SEO immunity
Limited global appeal (73% traffic is undefined/likely domestic)
Established revenue streams from freight and passengers

The Unbreakable Link

Interislander isn't selling a ferry ride; they are selling the only bridge between two islands. In a world of disruption, this is one monopoly that is virtually untouchable.

What tech stack does Interislander use?

22 detected
Maps1
Web Standards1
JavaScript Libraries1
Frontend Frameworks1
Tracking & Analytics9
G
Google Tag Manager
F
Facebook Pixel
G
Google Tag Manager
G
Google APIs
G
Google Tag Manager
F
Facebook Pixel
G
Google DoubleClick
G
Google Static
F
Facebook

How much traffic does Interislander get?

Traffic & Engagement

284.1K
Monthly Visits
+21.7%
4.9
Pages/Visit
11:21
Avg. Duration
60%
Bounce Rate
Monthly Traffic Trend+70%
167.5K
Oct 2025
Oct
233.4K
Nov 2025
Nov
284.1K
Dec 2025
Dec

Rankings

#137,266
Global Rank
#1,139
New Zealand Rank
Transportation and Logistics
Category

Backlinks & Authority

135.5K
Backlinks
2.3K
Ref. Domains
46
Authority Score
Low
Penalty Risk
Backlinks Trend-12%
153.9K
Jul 2025
Jul
155.4K
Aug 2025
Aug
154.3K
Sep 2025
Sep
151.8K
Oct 2025
Oct
136.2K
Nov 2025
Nov
135.5K
Dec 2025
Dec

Search Traffic

Organic
146.4K
Paid
9.7K

Top Organic Keywords

#1interislander
40,500 vol25.8%
#1ferry wellington to picton
12,100 vol4.5%
#1picton to wellington ferry
8,100 vol3.0%
#1ferry
6,600 vol2.5%
#1picton ferry
6,600 vol2.5%

Where is Interislander's audience located?

🇳🇿New Zealand72.4%
🇮🇪Ireland9.4%
🇳🇱Netherlands8.1%
🇬🇧United Kingdom2.5%
🇺🇸United States2.3%

Device Distribution

Desktop36.3%
Mobile63.7%

What keywords does Interislander rank for?

5 keywords
1interislander12.7K vol$0.26
2interislander ferry2.2K vol$0.30
3wellington to picton ferry2.6K vol$0.58
4ferry wellington to picton2.1K vol$0.58
5interislander promo code1.1K vol$0.95

How is Interislander's SEO?

Meta Tags

title42 chars

Home - Interislander - Cook Strait Ferries

description360 chars

Interislander has been connecting New Zealand across Cook Strait for over 60 years.We are the original Cook Strait Ferry. We sail between the North and South Islands (Wellington and Picton) every day, carrying passengers, cars and freight. Along with the breathtaking views, enjoy our locally sourced cuisine, cinemas, free kids activities and premium lounges.

languageEN

H1 Tags

h1Summer sailings

Who works at Interislander?

Loading leads...

What do customers think of Interislander?

No Trustpilot reviews available for this company.

Frequently Asked Questions about Interislander

What is Interislander's Revenue?
Interislander generates approximately $117M in annual revenue. With 369 employees, that's $316,250 per employee.
What does Interislander do?
Interislander has been connecting New Zealand across Cook Strait for over 60 years.We are the original Cook Strait Ferry. We sail between the North and South Islands (Wellington and Picton) every day, carrying passengers, cars and freight. Along with the breathtaking views, enjoy our locally sourced cuisine, cinemas, free kids activities and premium lounges.
How fast is Interislander growing?
Interislander has grown by 21.7% in the last 6 months according to traffic data. employee count has changed by 5% year over year.
How do people interact with Interislander?
When visiting Interislander, visitors view an average of 4.9 pages per visit, and spend around 11:21 on the site, and the bounce rate is 60.0%.
How do people find Interislander?
127.9K people (45%) visit Interislander directly. 146.4K (52%) find them through organic search. 9.7K (3%) come through paid advertising.
Who uses Interislander?
Interislander's top market is New Zealand with 205.7K visitors (72.4%). Ireland is 2nd with 26.6K (9.4%). Netherlands is 3rd with 23.1K (8.1%).
What technologies does Interislander use?
Interislander uses 13 technologies across their website including Maps, Fonts, Advertising. Key technologies include Mapbox, Google Fonts, DoubleClick Floodlight, Facebook Pixel.
Who are Interislander's competitors?
Interislander's main competitors include GO Rentals New Zealand, Bachcare Holiday Homes, Flight Centre Travel Group, Real Journeys, Hoburne. These companies operate in similar markets and compete for the same customer base.

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Raw JSON Data

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About interislander.co.nz

Interislander has been connecting New Zealand across Cook Strait for over 60 years.We are the original Cook Strait Ferry. We sail between the North and South Islands (Wellington and Picton) every day, carrying passengers, cars and freight. Along with the breathtaking views, enjoy our locally sourced cuisine, cinemas, free kids activities and premium lounges.

Company Overview

interislander.co.nz
Website
travel_and_tourism
Industry
#117,643
Global Rank
310.1K
Monthly Visitors
13
Technologies

interislander.co.nz Key Pages

interislander.co.nz Social Media

Contact interislander.co.nz

Technology Stack

interislander.co.nz uses 13 technologies across their website including Mapbox, Google Fonts, DoubleClick Floodlight, Facebook Pixel, and more.

Maps

Mapbox

Fonts

Google Fonts

Advertising

DoubleClick Floodlight, Facebook Pixel

Analytics & Marketing

Google Tag Manager, Google Analytics

Performance

Lazy Loading, Priority Hints

Web Standards

PWA

Traffic & Audience

310.1K
Monthly Visits
34%
Bounce Rate
5.3
Pages/Visit
4:15
Avg. Duration

interislander.co.nz receives approximately 310.1K monthly visitors and ranks #117,643 globally. The website has a bounce rate of 34% with visitors viewing an average of 5.3 pages per visit. Users spend an average of 4:15 on the site.

The majority of interislander.co.nz's traffic comes from undefined, undefined, .

Frequently Asked Questions

What is interislander.co.nz?
Interislander has been connecting New Zealand across Cook Strait for over 60 years.We are the original Cook Strait Ferry. We sail between the North and South Islands (Wellington and Picton) every day, carrying passengers, cars and freight. Along with the breathtaking views, enjoy our locally sourced cuisine, cinemas, free kids activities and premium lounges.
What technologies does interislander.co.nz use?
interislander.co.nz uses 13 technologies including Mapbox, Google Fonts, and 7 more. View the full tech stack analysis above.
How do I contact interislander.co.nz?
You can contact interislander.co.nz through their contact page.
What are interislander.co.nz's social media accounts?
interislander.co.nz is active on youtube, facebook, instagram. You can find links to all their social media profiles in the social section above.
How popular is interislander.co.nz?
interislander.co.nz receives approximately 310.1K monthly visitors and ranks #117,643 globally. Traffic is growing by 9.5% month-over-month.

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This page provides publicly available information about interislander.co.nz. Data is collected from various public sources and may not always be up to date. For the most accurate information, please visit interislander.co.nz directly at https://interislander.co.nz.