0 nm · docked
In port
Your phone uses the local network. Maps, Uber, restaurant texts. Any travel eSIM can do this. GigSky Cruise & Land does it on the same profile you used at sea.
Works at sea
Skip ship Wi-Fi.Your phone can work at sea.
A cruise eSIM is not a regular travel eSIM. GigSky rides the ship’s cellular on 290+ ships, then flips to local networks in port. Promo code ESIMDUDE takes 10% off.
Free 100 MB trial. No card. Confirm your ship in the GigSky app.
Two radios. Don’t mix them.
- SeaGigSky on the ship’s maritime cellular. WhatsApp, maps, mail. Not cabin Netflix.
- LandSame eSIM in port. Regular travel eSIMs only work here — they die 12 miles out.
- StarlinkThat’s the ship’s Wi-Fi. Different radio. Don’t mix the two sentences.
The money
Ship Wi-Fi is priced like a monopoly. The cruise eSIM is not.
Disney streaming is $49 a device a day. Carnival Premium runs about $25 a person. A family of four on a 7-night can clear $700. GigSky Cruise & Land for the same week is $69.99 list — $62.99 after ESIMDUDE.
Not a Netflix plan. Say that out loud.
Royal VOOM, 7 nights, 2 devices~$280–390
Carnival Premium, family of 4~$700+
Disney Internet + Streaming, 1 device~$343
GigSky 5 GB / 30 days$69.99
After GigSky promo code ESIMDUDE$62.99
How a cruise eSIM actually works
Port. The dark hour. Open sea.
Regular eSIMs die once you leave the coast. That is not a defect. There are no land towers out there. GigSky is different because it rides the ship’s maritime cellular — not the ship’s Starlink Wi-Fi.
0–12 nm · sailaway
The dark hour
About an hour after the horn, your bars vanish. That is the 12-mile line, not a broken eSIM. Have a drink. The maritime radio comes up.
12 nm + · sea day
Open water
GigSky hands off to Telenor or Cellular at Sea. WhatsApp, mail, light photos. A few Mbps. Starlink Wi-Fi still wins if you want cabin Netflix all week.
Starlink is the ship’s Wi-Fi backbone. GigSky is an eSIM on the ship’s cellular antennas. Mixing those two sentences is how cruise forums lose their patience. We will not mix them.
Cruise eSIM deals · live GigSky prices
Three sailings. Three honest picks.
These are GigSky’s current cruise and ferry SKUs. The 10% is yours with ESIMDUDE at checkout. Confirm the ship name in the app before you pay.
Best pick · Most sailings
Caribbean week
Cruise & Americas/Caribbean. Sea days and the islands on one eSIM.
$62.99$69.99
vs Royal VOOM ~$140–200 for one device
- 5 GB / 30 days, after ESIMDUDE
- Works at sea and in port
- Treat CocoCay as a sea day
More port days
Mediterranean week
Cruise & Europe. Barcelona, Rome, the Greek islands, and the sea days between.
$35.99$39.99
3 GB is often enough when most days are ashore
- 3 GB / 15 days, after ESIMDUDE
- Covers typical Med ports + sea
- North Africa stops still need a check
Crossing
European ferry
Stena, DFDS, Color Line, Brittany, Irish Ferries. Short hop or overnight.
$7.19$7.99
Ferry Wi-Fi is a lottery. This usually is the whole conversation.
- European Ferries
- 512 MB / 1 day
- Add Europe + Land if you keep driving
GigSky
eSIM cruise coupon
The cruise eSIM coupon is one word.
This is the GigSky promo code for cruise and ferry plans — not a stack of 21 random brands. Copy it. The outbound link also prefills it.
Passenger copy
ESIMDUDE
10% off GigSky cruise and ferry eSIMs. Apply on GigSky checkout. Does not stack with every seasonal code. The 100 MB trial is separate and free.
Boarding
Valid cruise + ferry
Not for inflight packs
Trial 100 MB, no card
Install the night before you fly. Confirm the ship in the app.
Royal Caribbean eSIM · and the rest of the pier
Pick the line. See what the ship will charge.
Each briefing opens with that line’s Wi-Fi price, then the GigSky plan that usually beats it. Coverage is vessel-by-vessel. Always search the ship name.
Royal Caribbean eSIM
Carnival eSIM
Disney Cruise Line eSIM
Norwegian eSIM
MSC eSIM
Princess eSIM
Celebrity eSIM
Virgin Voyages eSIMWho actually works at sea
Five eSIMs ride the ship. The rest die at 12 miles.
Airalo, Holafly and Nomad are port plans. Fine in Cozumel. Silent on a sea day. These five attach to the maritime radio. We sell GigSky because the coupon is real and the hull list is the longest.
GigSky
Sea + ports
The one we sell. Sea plus ports on one eSIM. Free 100 MB trial. Code ESIMDUDE is 10% off.
Maya Mobile
Sea + ports
Next door if GigSky doesn’t list your hull. One reusable profile. No coupon from us.
Saily Cruise
Sea only
Cheapest per GB on sea days if you will buy a second plan for ports. Most people will not.
Red Bull MOBILE Maritime
Sea only
The cheap European / Cunard play. Not the default for Royal or Carnival.
OneRoam
Sea + ports
If you refuse to count gigabytes and will pay ~$9–13 a day. We don’t sell it.
Night before
Do this on hotel Wi-Fi. Not at the gangway.
01
Unlocked phone
eSIM-ready, no carrier lock. iPhone XS and newer, recent Pixels and Samsungs.
02
Install GigSky
Download the app. Search your ship. Buy the cruise plan. Apply ESIMDUDE at checkout.
03
Kill home roaming
Turn off data roaming on the home SIM. Maritime roaming is how people get a $400 bill.
04
Wait out sailaway
Bars drop for about an hour. That is the 12-mile line. The plan is not dead.
Before you board
Questions people ask at 11pm the night before.
What is the best eSIM for cruises?
GigSky Cruise & Land, if you want one plan for sea days and ports. The live catalog on this site is that family — Telenor at sea, local towers in port. Ship Starlink Wi-Fi still wins for a week of Netflix.
What is the GigSky promo code for cruise plans?
ESIMDUDE. Ten percent off GigSky cruise and ferry plans. Copy it from the bar at the top of this page, or use the button that sends you to GigSky with the code already in the link.
Does a Royal Caribbean eSIM work at sea?
A normal travel eSIM does not. A GigSky cruise plan does, on supported Royal ships, once you are about 12 nautical miles out. Search Harmony, Icon, Wonder, Oasis and the rest inside the GigSky app. VOOM is still the better buy if every person in the cabin will stream.
Will this replace Disney or Carnival Wi-Fi?
For WhatsApp, maps, mail and photos — usually yes, and for a lot less money. For cabin movies all week — no. Disney’s streaming package is $49 a device for a reason.
How much is cruise Wi-Fi?
Royal VOOM is about $20–28 a device a day. Carnival Premium ~$25 a person. Disney streaming $49 a device. A family of four can clear $700. The cruise eSIM is one phone, about $63 after ESIMDUDE for a 5 GB week.
Does an eSIM work on a cruise?
A regular one dies about 12 miles out. GigSky rides Cellular at Sea or Telenor on 290+ ships, then local towers in port. Starlink is the ship’s Wi-Fi. Different radio.