Internet on a Boat: Real WiFi Setup, Unlimited Data Test & Costs (Australia 2026)

Latest update (March 2026)

We are currently living on a catamaran on the Gold Coast, Australia.


Our internet setup is evolving in real time.


We started with a 400GB plan, but for a family of four, it felt slightly tight.


With:

  • Multiple devices
  • Teenagers streaming
  • Work + daily usage

👉 Data runs out faster than expected


So now, instead of increasing data limits:

👉 We are testing an unlimited data plan


Update: Testing an unlimited plan (felix mobile)

We are currently testing an unlimited plan with felix mobile.


  • Network: Vodafone 4G/5G
  • Cost: $20/month (first 3 months), then $40/month
  • No lock-in contract

👉 Since we were already using Vodafone, coverage should be similar


Why this matters

Unlimited data sounds like the solution.


But in reality:

👉 “Unlimited” does not always mean no limits


Some providers may:

  • Reduce speed after heavy usage
  • Prioritise network traffic
  • Limit hotspot performance

👉 That’s what we are testing now


What we are testing

  • Speed compared to our previous plan
  • Stability during peak hours
  • Performance with multiple devices
  • Real-world usability for a family

👉 The key question:

Can unlimited data replace capped plans on a boat?


We will update this as we go.


Getting internet on a boat

Getting internet on a boat sounds complicated.

It’s not.


We live on a catamaran as a family.

This is exactly how we stay connected every day.


👉 Simple
👉 Practical
👉 Real


What actually works (our real setup)

We don’t use Starlink.
We don’t rely on marina WiFi.


We use a mobile data setup.


  • Smartphone hotspot
  • High-data mobile plan
  • Covers the entire boat
  • Works for laptops, phones, and tablets

👉 This setup supports daily life, work, and blogging.


Monthly cost

Current range:

👉 $40–$70 AUD per month


  • Previous capped plan → ~$60–$70
  • Current test (felix) → $20 intro / $40 ongoing

👉 We are testing which option gives better real-world value


Land vs Boat: data usage reality

On land, streaming feels unlimited.


Videos autoplay.
Apps run in the background.
You don’t think about usage.


👉 It feels invisible


On a boat:

👉 You feel every GB


You start noticing:

  • Streaming habits
  • Device usage
  • Data disappearing

👉 400GB suddenly feels small


This is the difference:

  • Land → unlimited mindset
  • Boat → conscious usage

Data needs depend on your lifestyle

Our usage is high.


We are a family of four with two teenagers.


That means:

  • Multiple devices
  • Heavy streaming
  • Work + school

👉 Data consumption increases significantly


Different setups

If you are:

  • A couple
  • Living solo
  • Retired

👉 Your usage will likely be lower


In many cases:

👉 100–200GB may be enough


The key point

There is no perfect number.


👉 It depends on your lifestyle


How many devices can you connect?

This depends on your setup and provider.


In our case:

👉 Multiple devices connected at the same time


  • Phones
  • Laptops
  • Tablets

👉 Typically 4–8 devices without major issues


But there are limits

Depending on the plan:

  • Hotspot limits may apply
  • Speed may drop with many users
  • Heavy usage may trigger throttling

👉 Important to check before choosing a plan


What we are testing

  • Device limits
  • Speed under load
  • Stability with multiple users

👉 We will update results soon


The reality of boat internet

Performance depends on:

  • Location
  • Network congestion
  • Time of day

👉 Same plan, different experience


Example:

  • Morning → stable
  • Night → slower

Marina WiFi (the truth)

Available, but:

  • Slow
  • Unstable
  • Not reliable

👉 Not suitable for full-time use


Do you need Starlink?

Not always.


For most people:

👉 Mobile data is enough


But it depends on:

  • Your expectations
  • Your usage
  • Your location

Location matters

This setup is based on:

👉 Gold Coast, Australia


Performance varies by:

  • City
  • Coverage
  • Environment

👉 We will update this article as we move


FAQ

Is unlimited data better?
Maybe — depends on speed and stability.


How much data do you need?
300–500GB for families, less for couples.


How many devices can connect?
Usually 4–8 devices, depending on the plan.


Is marina WiFi reliable?
No.


Do you need Starlink?
Not always.


Final thoughts

Boat internet is not about speed.


👉 It’s about stability


Not perfect.
Not unlimited.


👉 Just enough to live your life


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