Starlink Mini or Standard Offshore? Start With the Amp-Hours
Mini and Standard share the same 110° view and the same IP67 rating, so the real difference offshore is power: 25–40 W versus 75–100 W. Here is the amp-hour math, the mounting and failure modes, and what to keep when the dish can't see sky.
Most Starlink comparisons are written for a dock, a campsite, or a calm anchorage. Offshore, the question changes. The dish is on a moving platform, the house bank is the only power plant, and the day it stops working is usually the day you wanted a weather file.
So we compared the two hardware options most cruisers actually choose between, the Mini and the Standard (Gen 3), with one lens: what happens on passage. We have not tested either dish at sea. Everything below comes from Starlink's published spec sheets, Starlink's help-center rules as reported by trackers that read them, and plain boat arithmetic. Where we could not verify something, we say so.
What the spec sheets say, and what they don't
Starlink's own spec sheets list these numbers:
- Mini: 25–40 W average draw, 12–48 V DC input rating, integrated Wi-Fi 5, one Ethernet port, 1.10 kg for the dish alone, IP67 Type 4 with the DC power cable and Starlink plug installed.
- Standard: 75–100 W average draw, a separate Router 3 (Wi-Fi 6, two Ethernet ports) in the box, AC power supply, 2.9 kg for the dish alone, IP67 Type 4.
- Both: 110° field of view, operating range −30°C to 50°C (−22°F to 122°F), software-assisted manual orienting.
Read that list again. The Standard does not see more sky than the Mini, and it does not carry a better water rating. What you get for roughly three times the power is a bigger kit with a better router. Offshore, that router matters less than it sounds. Ocean Mode, the metered way Roam Unlimited works beyond 12 nautical miles, is billed per gigabyte (Starlink's help center lists $6 per GB as of September 27, per the trackers that read it). At that price, few people will run the link flat out. Peak speed is not your bottleneck out there. Your battery bank is.
Starlink does sell a third dish aimed at harsh, in-motion, permanent installs, the Performance kit, which reseller spec sheets list at a wider 140° view. We have not priced it, so this piece stays with Mini versus Standard.
The power math
Starlink publishes averages, not worst cases. Multiplying them out for a dish left on around the clock:
| Average draw | Per 24 hours | At 12 V | |
|---|---|---|---|
| Mini | 25–40 W | 600–960 Wh | about 50–80 Ah |
| Standard | 75–100 W | 1,800–2,400 Wh | about 150–200 Ah |
Those are before conversion losses. The Standard kit ships with an AC power supply, so on a 12 V boat you are feeding it through an inverter, which adds its own overhead. The Mini's spec sheet lists a 12–48 V DC input rating; confirm the exact cable, connector, and voltage drop over your cable run before you rely on a direct DC feed.
Now the schedule that cruisers actually use. A dish on for three hours a day, a morning weather-and-email window and an evening one, draws roughly 75–120 Wh for the Mini and 225–300 Wh for the Standard. Both are manageable. Left on overnight, the Standard can become the largest single load on a modest bank. Switch the dish off at the breaker when nobody needs it, and make that breaker reachable from the nav station.
Mounting: the sky view is the whole game
Starlink's help center, as read by the trackers that cite it, asks for a clear view of the sky in every direction above roughly 20° of elevation. A dish does not care that your boom, radar arch, solar panels, and backstay are all necessary. It sees them as holes in the sky.
Offshore adds two problems a dock test will not show you. First, the dish tilts with the boat, so the patch of sky it sees is moving. We could not find a Starlink-published heel or pitch limit for either dish, so treat any number you read on a forum as unverified. Second, rigging moves too. A spot that is clear on the starboard tack can sit in the genoa's shadow or the boom's sweep on the other one.
What we would do: pick a high, aft location clear of the swing of the boom and away from the radar. Use the Starlink app's obstruction check at the dock, then keep a simple log of dropouts on your first coastal sail and on both tacks. Move the mount before you leave, not mid-ocean.
Rain, spray, and heat: the quiet failure modes
Water. IP67 Type 4 is a rating for the dish with its cable installed. Starlink's Mini sheet notes the Mini is no longer rated IP67 with a standard RJ45 cable, which matters if you use the Ethernet port. The connector is the weak point on any deck-mounted device in salt air. Give the cable a drip loop, strain relief, and a plan to inspect it. The Standard's router is rated IP56 and configured for indoor use, so it lives below.
Heat. Both dishes list a 50°C operating ceiling. A dish in tropical sun is not sitting in 50°C air; its surface can be much hotter, and we could not find a Starlink figure for how either dish behaves at its thermal limit. Mount it with open airflow, never under a cover, and watch what the app reports in the hottest hours.
Rain and squalls. Expect weaker service in heavy rain. We found no Starlink-published rain-fade numbers, so we will not invent any. Plan your critical downloads for clear windows, and treat a squall line as a reason the link may vanish, not a reason to be surprised.
When the dish can't see sky
Eventually it will happen: shadowed by sails, switched off to save amps, stuck in a squall, or dead for a reason you will not find until the next port. Decide now what you do then.
- Download before you leave the dock. Pull the longest-range GRIB set your routing tool provides, plus your passage plan and the offline charts and pilot data you need. Starlink is for refreshing your picture, not for holding it.
- Keep a second path that does not depend on the dish. For most offshore boats that is an Iridium device for short messages and small weather files. We covered the layering in our earlier Iridium piece. Starlink's plan terms also change, which is a failure mode of its own, as we wrote in our Personal Maritime versus Roam piece.
- Keep safety gear as safety gear. Satellite internet does not replace your VHF, your EPIRB, or your crew's training. Nothing in this comparison changes that.
Our call
For most offshore boats running on a 12 V house bank, we would start with the Mini. It sees the same 110° of sky as the Standard, carries the same water rating, uses about a third of the power, weighs well under half as much, and is easier to mount somewhere high and clear. That also makes it a candidate for a spare you can stow.
The Standard makes sense if your boat already has strong AC power, a large lithium bank and solar to match, and you want the included router's two Ethernet ports for a wired boat network, or you run a crew of heavy daily users at anchor. Just do not buy it for offshore speed. The Ocean Mode meter will not let you use it.
Skip both if your sailing stays within cell range, if you will not carry a second system for when it goes dark, or if you want a plan you never have to think about. Plan terms, hardware pricing, and referral terms change, so check Starlink's checkout for what is current before you order.
If you are a new Starlink customer and decide to buy, you can order through our Starlink link. If you already have Starlink, the link will not help you and you can ignore it.
Disclosure: the Starlink link above is a referral link. If you order through it, we may earn a referral credit, and Starlink may also reward you as the buyer. Eligibility and rewards are set by Starlink, generally apply to new customers, and can change. See our affiliate disclosure.
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