Starlink on a boat costs $55 a month on Roam 100GB for lakes, rivers and short coastal trips. Past 12 nautical miles you need Roam Unlimited ($175/mo) plus Ocean Mode at $6 per GB, the rate since 27 Sep 2026.
Last checked 31 Oct 2026: Starlink Roam, Roam plan rules, Ocean Mode.
Billed per GB while Ocean Mode is on, on top of the plan.
Your plan
Roam 100GB
$55/mo
Roam covers inland waterways and marinas. Pick the plan by data: 100 GB for $55, 300 GB for $80.
New Starlink customers on a Residential or Roam plan (Roam 100GB, 300GB and Unlimited all count; business plans don't). You get $100 (cash or service credit) after 2 months subscribed, and so do we. US terms checked 30 Oct 2026; your amount shows at checkout.
Roam covers the water near land. Ocean Mode covers the rest, by the gigabyte.
| Where | Plan | Cost | $100 referral |
|---|---|---|---|
| Lake, river, marina | Any Roam plan | from $55/mo | Yes |
| Coastal, inside 12 nm | Any Roam plan (5 days in a row, 60 a year) | from $55/mo | Yes |
| Coastal, longer stays | Roam Unlimited + Ocean Mode | $175/mo + $6/GB | Yes (Roam plan) |
| Offshore, past 12 nm | Roam Unlimited + Ocean Mode | $175/mo + $6/GB | Yes (Roam plan) |
| Any water | Personal Maritime or business Maritime | Ocean Mode $6/GB | No |
Ocean Mode: "Roam Unlimited users can enable Ocean Mode to maintain service beyond 12 nautical miles from shore." "Ocean Mode is billed per GB and begins immediately once enabled." Referral plan list: Starlink referral terms, checked 30 Oct 2026. Starlink's own advice: For frequent or extended ocean travel, explore Starlink Maritime.
On a boat battery, power draw decides it. Full kit details: Starlink Mini vs Standard. On land too? Starlink for RV.
Most of Earth by end of year, all by next year, then it's about densifying coverage.
Speed will double to ~300Mb/s & latency will drop to ~20ms later this year
Also: Starlink speed · 30-day return · Starlink referral
Independent fan project. Not affiliated with, endorsed by, or connected to Tesla, Inc. or SpaceX. Figures checked on 31 Oct 2026 from the linked official pages; they change, and your address or account can change them. Not a quote. Referral links are ours: we get the referrer reward if you order.
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