Watch the full video on YouTube → eSIM for cruises and WHY you might want one!
Staying connected while cruising used to mean either paying eye-watering roaming charges, shelling out for the ship's Wi-Fi package, or simply going offline for the duration of your trip. But eSIM technology has quietly changed the game — and if you haven't looked into it yet, this post is for you.
What Exactly Is an eSIM?
An eSIM (embedded SIM) is a digital SIM card built directly into your smartphone. Instead of physically swapping out a plastic SIM card when you travel, you simply download a plan from an eSIM provider onto your phone before you leave home. No tiny trays, no fiddly pins, no risk of losing your regular SIM in a foreign port.
Most modern smartphones — iPhone XS and newer, and a wide range of Android devices — support eSIM. If you're not sure whether your phone is compatible, a quick search for your model name and "eSIM support" will confirm it in seconds.
📱 eSIM at a Glance
- What it is: A digital SIM downloaded to your phone — no physical card needed
- How it works: Purchase a plan from an eSIM provider, such as GIGSKY, scan a QR code, and follow the instructions
- Coverage: Ship-to-shore plans now cover most mass-market cruise lines with GIGSKY
- Cost: Typically far less than standard international roaming or ship Wi-Fi packages
- Compatible devices: iPhone XS+, most modern Android flagships
Why It's a Game-Changer for Cruisers
Cruise ships have traditionally been a connectivity dead zone once you're out at sea — or at best, a very expensive one. Ship Wi-Fi has improved dramatically over the last few years, but it can still be costly and inconsistent depending on your itinerary and how far offshore you are.
Here's where eSIMs are genuinely exciting for cruisers: newer plans specifically designed for cruise travel, such as GIGSKY, can keep you connected both on the ship and when you step ashore at each port — all under a single plan, without switching anything manually. That means you can:
- Stay in touch with family back home without hunting for port Wi-Fi
- Use Google Maps in port without worrying about data charges
- Post to social media from the dock in real time
- Look up restaurant recommendations, exchange rates, or shore excursion details on the go
- Avoid the shock of a roaming bill when you get home
💡 Jules' Tip: Purchase and install your eSIM plan before you leave home — not at the airport or on the ship. You'll have more time to troubleshoot if needed.
Ship Wi-Fi vs. eSIM: Which is Better?
This really depends on how you cruise, and neither work perfectly all the time. Here's a quick comparison to help you decide:
- Ship Wi-Fi works in most places on the vessel including your cabin, but can be expensive and bandwidth is shared across thousands of passengers. Ship wifi however does not work for you while on land in port.
- GIGSKY eSIM provides light data coverage on the ship and works in most ports. Service can be spotty; some places around the ship have better reception than others. Use code JULES10 at the GIGSKY checkout for a discount.
- Standard eSIM — such as one purchased through Saily — is convenient in port and might work at sailaway/close to shore, but connectivity drops off once you're out at sea
- Best of both worlds: Use an eSIM for port days and light at-sea use, and consider a ship Wi-Fi package for longer sea crossings if you need reliable connectivity or streaming throughout
💡 Jules' Tip: Many cruise lines now sell Wi-Fi by the day rather than the full voyage. If you're doing a port-heavy itinerary and pick up an eSIM, you may only need ship Wi-Fi for a handful of days at sea — which can cut your connectivity costs significantly.
Things to Check before You Buy
Not all eSIM plans are created equal. Before purchasing, make sure you check:
- ✅ Device compatibility — confirm your phone supports eSIM and is unlocked
- ✅ Coverage map — does the plan cover your specific ports of call?
- ✅ Data allowance — how much data is included and what happens if you exceed it?
- ✅ At-sea coverage — does the plan include maritime/satellite coverage or only land-based?
- ✅ Validity period — make sure the plan covers your full sailing dates
- ✅ Hotspot support — see if it is compatible with a tablet or laptop
💡 Jules' Tip: If you purchase an eSIM install it BEFORE you leave for your trip!
Is an eSIM Worth it for Your Next Cruise?
Yes, if you are ok with light data usage. The days of going completely offline for a week or paying a premium for the privilege of staying connected are largely behind us. eSIM technology is affordable and increasingly tailored specifically to cruise travel.
If you want to be completely unplugged, and prefer to communicate by sending postcards, skip the plans. Your family, friends, and emails will be waiting for you until you return home. Also, you can still try and find some wifi while in port (although this is not always convenient).
No, if heavy data use and streaming is required on your cruise.
Whether you're a first-time cruiser wanting peace of mind or a seasoned sailor tired of overpaying for ship Wi-Fi, it's well worth spending 20 minutes researching an eSIM plan before your next sailing. The only thing is I found the installation process a bit tedious (however I did post a set-up tutorial here)
If you want an esim that covers you from ship to shore GIGSKY is the only provider I know that can offer this type of coverage for cruise travel. Use promo code JULES10 at checkout to save on your plan.