Embarkation day bag

On boarding day your checked luggage can take hours to reach the cabin. Pack a carry-on day bag as if it's the only bag you'll see until dinner:

• Travel documents for everyone, in one waterproof folder Valante Premium Family Travel Document Organizer, RFID passport holder (Large, gray) Check price at Amazon
• Swimsuits, swim diaper and sunscreen, so the pool is an option right away
• Diapers, wipes and a change of clothes
• Snacks and a refillable cup THERMOS FUNTAINER Water Bottle with Straw, 12 oz (Blue/Navy) Check price at Amazon
• Any medications (keep them in your carry-on, never in checked bags)
• A small toy or audio player for the boarding line

A lightweight travel backpack Osprey Daylite Plus Commuter Backpack, Black Check price at Amazon is easier than a rolling bag on a gangway with a stroller.

Sleeping in a small cabin

This is the biggest toddler challenge on a ship. Cabins are compact and often share one room for everyone.

• Ask about a crib or play yard. Many ships provide one on request. Check ahead, and bring a fitted sheet you like if you want something familiar.
• Portable blackout shade SUN AWAY Portable Blackout Curtain with Suction Cups Check price at Amazon for balcony doors or portholes. Many balcony cabins are bright early.
• Portable white noise machine Yogasleep Rohm Portable White Noise Sound Machine Check price at Amazon to cover hallway and neighbor noise.
• A small night light Hatch Go Portable Sound Machine & Sleep Soother (Putty) Check price at Amazon for middle-of-the-night diaper changes without waking everyone.
• A pop-up privacy or sleep tent designed for travel cribs is popular with some families. Follow the manufacturer's safety guidance and never add loose bedding.

Pool and water play

Ships often have splash areas for little ones. Policies on swim diapers vary a lot between ships and lines, and many main pools don't allow them. Check before you go so there are no surprises on deck.

Pack:

• Reusable and disposable swim diapers i play. by green sprouts Reusable Snap Swim Diaper (Navy, 24 months) Check price at Amazon
• A UPF rash guard or sun suit SwimZip Girls' Long-Sleeve UPF 50+ One-Piece Sunsuit Check price at Amazon
• A quick-dry hat Jan & Jul 50+ UPF Cotton Bucket Sun Hat (adjustable chin strap) Check price at Amazon
• Water shoes for hot decks VIFUUR Kids Water Shoes, hook-and-loop, quick-dry aqua socks (Black Circle, toddler sizes) Check price at Amazon
• A U.S. Coast Guard-approved swim vest in the right size, if you'll use one Body Glove Paddle Pals USCG Kids Learn-to-Swim Life Jacket PFD Check price at Amazon. The common arm-float style is typically rated for 30–50 lb — check the label, and choose a smaller USCG-approved vest if your toddler is under that range. Many ships don't have lifeguards at every pool, so an adult within arm's reach is essential.

More in >Swim gear for toddlers at the pool and beach.

Sun and wind on deck

Open decks get a lot of sun and wind. Sunscreen, a strapped hat and a light layer for breezy evenings cover it. See >Sun protection for toddlers in Florida.

Cabin organization

A little organization goes a long way in a small space:

• Over-the-door shoe organizer Simple Houseware 24-Pocket Clear Over-the-Door Shoe Organizer, Gray Check price at Amazon for diapers, snacks, sunscreen and small toys. Many cabin doors are metal, so magnetic hooks DIYMAG Magnetic Hooks, 20-pack, 50 lb rating, black Check price at Amazon are handy for hats and bags. Check your line before you pack either one. Disney Cruise Line's official prohibited-items list (as we read it on November 15, 2026) bans over-the-door hanging organizers and hooks.
• Packing cubes Amazon Essentials 4-Piece Packing Cubes Travel Set Check price at Amazon, one color per person, so you don't unpack everyone's stuff to find one shirt.
• A small laundry bag for dirty clothes and a wet bag Bumkins Waterproof Wet/Dry Bag (Watercolor Floral) Check price at Amazon for swimsuits.

Power and charging

Cabins usually have few outlets, and power-strip rules are not the same from line to line. A compact multi-port USB charger Anker 4-in-1 100W travel charger (or Nano 3-port) Check price at Anker that plugs straight into the wall is the simplest option, but confirm it meets your line's rules. A top-rated USB-C power bank Anker Nano Power Bank (30W, Built-In USB-C Cable), model A1259, 10,000mAh Check price at Anker (Amazon backup: Anker PowerCore Slim 10000 (A1229), 10,000mAh USB-C power bank (Black) Check price at Amazon) can top up phones and USB-C fans; pack it in your carry-on.

Rules that differ by line

These are facts from each line's own pages as we read them in November 2026. They change, so check your line's current prohibited-items list before you pack. We're not recommending any line.

	Carnival	Royal Caribbean	Disney Cruise Line	Norwegian
Power strips	Generally permitted without surge protection; may be removed if deemed unsafe	Not allowed	Not allowed	Not listed; no heating appliances
Baby monitors	Not named on the official prohibited-items page we opened; still check with the line before you pack	Not allowed	Allowed only after inspection by the ship's Chief Electrical Engineer	Check; walkie-talkies not allowed
Swim diapers	Not in pools or splash areas	Only in baby splash areas	Only in designated splash zones	Not in pools or aqua parks
Nursery / youngest club	6 months to under 2, set hours	6–36 months (ships with a nursery)	6 months–3 years	Club from 3, potty trained

These are from each line's own pages as we read them on November 15, 2026. They change, so check the official page before you go. We're not recommending any line. Sources: >Carnival prohibited items, exemptions, and other considerations (official help page opened), >Royal Caribbean, >Royal Caribbean pools, >Disney Cruise Line prohibited items (official URL; a direct fetch redirected or timed out, so this is from that official page's published content as retrieved the same day), >Disney Cruise Line pools, >Norwegian.

On Disney Cruise Line's official list as we read it: power strips, extension cords, multi-plugs and surge protectors are banned; bottle warmers and sterilizers are prohibited (the ship provides some approved ones); over-the-door hanging organizers and hooks are prohibited; heating elements are prohibited; baby monitors, fans and white-noise machines are allowed only after inspection by the Chief Electrical Engineer.

Carnival's official page lists radios and portable speakers as prohibited, and lists clothing irons, garment steamers, immersion heaters, heating blankets, water heaters, coffee makers, hot plates, toasters, humidifiers and electric heating pads as prohibited electrical and heating devices. It does not name baby monitors. A bottle warmer may still be treated as a heating device, so check with the line before you pack one.

Two more to know: Royal Caribbean and Norwegian set a minimum age of 6 months, and 12 months on sailings with three or more sea days in a row.

Stroller on a ship

A compact, fold-small stroller Ingenuity 3D Mini Convenience Stroller (lightweight, compact fold) Check price at Amazon is easier in narrow hallways, elevators and cabins than a full-size one. You'll also want it in port. See >Choosing a stroller for theme park days; most of the same advice applies.

Baby on board (under 1)

• Formula and feeding: bring more than the trip needs, in your carry-on. A stackable formula dispenser Munchkin Formula Dispenser Combo Pack and a travel drying rack with a bottle brush OXO Tot On-the-Go Drying Rack with Bottle Brush Check price at OXO make cabin bottle-washing easy.
• Ship your diapers: some parents fill a diaper box, tape it, tag it like a suitcase and let it travel to the cabin with the luggage. Ship shops may not stock diapers in every size.
• Sleep: request a crib or play yard early, and bring a sleep sack HALO SleepSack 100% Cotton Wearable Blanket. If you'd rather bring your own, a lightweight travel crib BabyBjörn Travel Crib Light Check price at BabyBjörn folds small.
• Bath time: many cabins have only a shower. Some families pack a small inflatable tub.
• Mess control: disinfecting wipes for high chairs, disposable bibs, odor-sealing diaper bags, a stain stick and sink laundry soap.

Health and comfort

• Talk to your pediatrician before the trip about motion sickness and anything else you should pack for your child. Kids' acupressure wristbands Sea-Band Child acupressure wristbands Check price at Sea-Band are one drug-free option some parents try; ask your doctor what's right for your child.
• During hurricane season (June 1 to November 30), pack a day or two of extra formula, diapers and medicine in case the itinerary changes.
• Bring a basic kit: thermometer, bandages, and whatever your doctor recommends. Ship shops can be limited and pricey.
• Hand sanitizer and wipes PURELL On-The-Go Sanitizing Hand Wipes (individually wrapped) Check price at Amazon for dining areas and play spaces.

Dinner and theme nights

Many sailings have a dressy night or theme nights. One nicer outfit per person is plenty, plus a light sweater, because dining rooms run cold.

What to skip

• Too many outfits. Many ships have laundry options.
• Full-size toiletries if the cabin provides basics.
• Bulky toys. A small rotation is enough.
• Anything on your line's prohibited list (on some lines that includes power strips, baby monitors, irons and steamers, or paper door decorations).

Checklist

• Documents in a waterproof folder
• Embarkation-day carry-on with swim gear, meds, snacks
• Crib request made; fitted sheet
• Blackout shade, white noise, night light
• Swim diapers (check policy), rash guard, hat, water shoes
• Swim vest in the right size
• Over-door organizer and magnetic hooks
• Packing cubes, laundry bag, wet bag
• Compliant charging option
• Compact stroller
• Basic health kit
• Checked your line's rules: power strips, baby monitors, swim diapers
• Nursery or kids' club ages checked
• Baby: formula in carry-on, dispenser, drying rack, sleep sack
• Diaper box tagged as luggage (optional)
• Disinfecting wipes, odor bags, stain stick, sink soap
• Pop-up hamper
• One dressy outfit each
• Hurricane season: 1–2 days' extra supplies