Interislander vs SeaLink:Which is more popular by branded search in New Zealand?
In August 2026, Interislander had more branded searches than SeaLink among ferry operators in New Zealand. Interislander was estimated to have 44.6K branded searches compared to SeaLink’s 8.5K, and held a 38.9% Share of Search versus SeaLink’s 7.4%.
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Which is more popular in search, Interislander or SeaLink?
Compare the ferry operators New Zealanders book for Cook Strait and harbour crossings. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Interislander, SeaLink. The figures are in the table below the chart.
View monthly share of search table
| Month | Bluebridge | Interislander | SeaLink | Fullers360 |
|---|---|---|---|---|
| Oct 2025 | 43.3% | 43.5% | 7.5% | 5.7% |
| Nov 2025 | 44.5% | 42.3% | 7.2% | 5.9% |
| Dec 2025 | 41.7% | 43.6% | 7.7% | 7% |
| Jan 2026 | 45.1% | 43.1% | 6.2% | 5.6% |
| Feb 2026 | 43% | 44.9% | 5.7% | 6.4% |
| Mar 2026 | 44.8% | 44.7% | 5.6% | 4.9% |
| Apr 2026 | 38.6% | 46.3% | 8% | 7.1% |
| May 2026 | 40% | 43.7% | 8.3% | 7.9% |
| Jun 2026 | 44.5% | 41.8% | 7.8% | 5.9% |
| Jul 2026 | 43.1% | 42% | 8.5% | 6.4% |
| Aug 2026 | 48.4% | 38.9% | 7.4% | 5.4% |
| Sep 2026 | — | — | — | — |
How has the Interislander and SeaLink comparison changed over the last 12 months?
3 findings
- Interislander was ahead of SeaLink in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Interislander’s estimated Share of Search among ferry operators in New Zealand moved from 43.5% to 38.9%, and its estimated monthly branded searches moved from 63.4K to 44.6K.
- Across the 11 months ending August 2026, SeaLink’s estimated Share of Search among ferry operators in New Zealand moved from 7.5% to 7.4%, and its estimated monthly branded searches moved from 11K to 8.5K.
How did search popularity change for New Zealand ferry operators in August 2026?
2 changes
In August 2026, Interislander lost estimated Share of Search among ferry operators in New Zealand, from 42% to 38.9%.
In August 2026, SeaLink lost estimated Share of Search among ferry operators in New Zealand, from 8.5% to 7.4%.
How each brand is measured
Brandwave collects information about searches that people make online using Interislander’s and SeaLink’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Interislander
18 branded search terms
- aa discount interislander
- interislander
- interislander booking
- interislander co nz
- interislander cook strait ferry
- interislander ferry price for car
- interislander ferry terminal
- interislander kaiarahi
- interislander kaitaki
- interislander new zealand
- interislander nz
- interislander prices
- interislander sailings
- interislander terminal
- interislander tickets
- interislander time
- interislander timetable
- new interislander
SeaLink
13 branded search terms
- sealink
- sealink au
- sealink car ferry
- sealink co nz
- sealink ferry
- sealink ferry terminal
- sealink freight
- sealink near me
- sealink nz
- sealink online
- sealink tickets
- sealink timetable
- sealink waiheke
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.