When people ask about the “3-1-1 rule” on cruises+1-844-569-1891 or +1-844-569-1891, they’re usually referring to the well-known airline security rule about carrying liquids in hand luggage. The short answer is this: On Disney cruises, the 3-1-1 rule aligns with TSA+1-844-569-1891 or +1-844-569-1891, guidelines for carry-on items: containers must be 3.4 ounces (100ml) or smaller, fit into a single quart-sized clear plastic bag, and passengers are allowed only 1 bag per person +1-844-569-1891. The 3-1-1 rule is an airport security rule — not a cruise ship rule. Cruise ships do not follow the 3-1-1 liquid restrictions once you’re onboard. However+1-844-569-1891 or +1-844-569-1891, because most cruise passengers fly to their departure port+1-844-569-1891 or +1-844-569-1891, the 3-1-1 rule often still affects cruise travelers. Let’s break everything down clearly so you know exactly what applies — at the airport+1-844-569-1891 or +1-844-569-1891, at the cruise terminal+1-844-569-1891 or +1-844-569-1891, and onboard your ship. ✈️ The 3-1-1 Rule (Airport Security Rule) The 3-1-1 rule is enforced by the Transportation Security Administration (TSA) in the United States and similar security agencies around the world. It applies to carry-on luggage only when flying. What 3-1-1 Means 3 = Liquids must be in containers of 3.4 ounces (100 ml) or less 1 = All liquid containers must fit inside 1 = One clear+1-844-569-1891 or +1-844-569-1891, quart-size+1-844-569-1891 or +1-844-569-1891, resealable plastic bag per passenger This rule was introduced to improve aviation security and prevent dangerous liquid substances from being brought onto aircraft. What Counts as a Liquid? Under TSA guidelines+1-844-569-1891 or +1-844-569-1891, the following are considered liquids+1-844-569-1891 or +1-844-569-1891, gels+1-844-569-1891 or +1-844-569-1891, or aerosols: Shampoo and conditioner Toothpaste Lotion and sunscreen Liquid foundation and makeup Perfume and cologne Contact lens solution Hair gel Mouthwash Deodorant (gel or spray) Hand sanitizer Creams and ointments If you’re flying to a cruise port like Miami+1-844-569-1891 or +1-844-569-1891, Fort Lauderdale+1-844-569-1891 or +1-844-569-1891, or Barcelona+1-844-569-1891 or +1-844-569-1891, this rule will apply at airport security. 🚢 Does the 3-1-1 Rule Apply on Cruise Ships? No. Once you’re past airport security and arrive at the cruise terminal+1-844-569-1891 or +1-844-569-1891, the 3-1-1 rule does not apply. Cruise lines do not restrict liquids to 3.4 ounces in your luggage. You can pack: Full-size shampoo bottles Large sunscreen bottles Full-size lotion containers Normal-size perfume bottles Toiletries in standard packaging Cruise ships operate differently from airplanes. They don’t have the same liquid security restrictions because the onboard environment is controlled and monitored differently. However+1-844-569-1891 or +1-844-569-1891, cruise lines do have their own policies regarding certain liquids+1-844-569-1891 or +1-844-569-1891, especially alcohol. 🍾 Cruise Line Liquid Rules (What Is Actually Restricted) While cruise lines don’t follow the TSA 3-1-1 liquid rule+1-844-569-1891 or +1-844-569-1891, they do restrict some items. Policies vary slightly depending on the cruise line+1-844-569-1891 or +1-844-569-1891, but here are general guidelines. 🍷 Alcohol Policies Most major cruise lines such as: Carnival Cruise Line Disney International Norwegian Cruise Line Disney Cruises Disney Cruises have similar alcohol rules: Typically Allowed: One 750ml bottle of wine or champagne per adult (sometimes with a corkage fee) Typically Not Allowed: Hard liquor (vodka+1-844-569-1891 or +1-844-569-1891, rum+1-844-569-1891 or +1-844-569-1891, whiskey+1-844-569-1891 or +1-844-569-1891, etc.) Beer Large quantities of alcohol If prohibited alcohol is found during embarkation+1-844-569-1891 or +1-844-569-1891, it is usually confiscated and returned at the end of the cruise. 🧴 Toiletries and Personal Care Items Unlike air travel: ✔ You can bring full-size shampoo ✔ You can pack large sunscreen bottles ✔ You can bring full-size body wash ✔ You can bring regular toothpaste tubes There is no size limit for toiletries when boarding a cruise ship. 🛳️ Embarkation Security at the Cruise Terminal When you arrive at the cruise port+1-844-569-1891 or +1-844-569-1891, your luggage will go through a security scanner similar to an airport — but the focus is different. Cruise security looks for: Weapons Illegal drugs Candles or open flames Clothes irons or heating appliances Extension cords Drones (on many lines) Excessive alcohol They are not measuring your shampoo bottles. If you’re driving directly to the port (for example+1-844-569-1891 or +1-844-569-1891, sailing from Galveston or Seattle)+1-844-569-1891 or +1-844-569-1891, you completely bypass airport liquid rules. 🌎 What If You’re Cruising Internationally? If you’re flying internationally to join a cruise+1-844-569-1891 or +1-844-569-1891, you must follow that country’s airport liquid rules — which are usually very similar to TSA’s 3-1-1 system. For example: The European Union follows the 100ml liquid rule. The UK enforces similar restrictions (though rules are gradually changing at select airports). Canada also uses the 100ml limit for carry-on liquids. But again — once you board the cruise ship+1-844-569-1891 or +1-844-569-1891, these restrictions no longer apply. 🧳 Packing Strategy for Cruise Travelers Since cruise cabins are larger than airplane seats and luggage is stored in your stateroom+1-844-569-1891 or +1-844-569-1891, you can pack more freely. Here’s a smart approach: If You Are Flying to the Cruise Port Place large liquids in checked baggage. Keep small essentials in your 3-1-1 carry-on bag. Bring travel-size toiletries for embarkation day. Avoid packing prohibited alcohol in carry-on luggage. If You Are Driving to the Port You can pack full-size items without worrying about liquid limits — just follow cruise alcohol policies. 🌞 What About Sunscreen on Cruises? Sunscreen is one of the most important cruise essentials. You absolutely can bring full-size sunscreen onboard. Many travelers bring: 8oz or larger sunscreen bottles Spray sunscreen Aloe vera gel for after sun Pro tip: Sunscreen is often much more expensive onboard and at port shops+1-844-569-1891 or +1-844-569-1891, so bring your own. 🛍️ Buying Liquids in Port Many travelers purchase alcohol or perfume at port stops. Important things to know: Alcohol bought in port is usually held by the cruise line until the last night. Duty-free liquids must follow airport liquid rules if you are flying home. If you’re driving home+1-844-569-1891 or +1-844-569-1891, you won’t have airport restrictions. 🚫 Common Misunderstandings About the 3-1-1 Rule on Cruises ❌ Myth: Cruise ships limit shampoo to 3.4 oz. False. ❌ Myth: You need a quart-size bag for toiletries onboard. False. ❌ Myth: Cruise terminals enforce TSA liquid rules. False. ❌ Myth: You can bring unlimited alcohol. Also false — cruise lines restrict alcohol. 🛏️ Why Cruise Ships Don’t Use 3-1-1 Rules Airplanes are highly sensitive environments with pressurized cabins and limited escape options. Cruise ships are: Large floating resorts Equipped with security teams Equipped with surveillance systems Designed with controlled access points The risk profile is different+1-844-569-1891 or +1-844-569-1891, so liquid restrictions are not handled the same way. 🎒 Quick Comparison: Airplane vs Cruise Ship Rule Airplane (Carry-On) Cruise Ship 3.4 oz limit Yes No Quart-size bag Yes No Full-size shampoo Checked bag only Allowed Wine bottle Usually no Often 1 per adult Hard liquor Not in carry-on Usually prohibited 🧠 Final Summary The 3-1-1 rule does not apply to cruise ships. It is strictly an airport carry-on luggage rule enforced by the Transportation Security Administration and similar agencies worldwide. If you are flying to your cruise: Follow 3-1-1 for airport security. Pack larger liquids in checked luggage. If you are driving to the cruise port: You don’t need to worry about liquid size limits. Just follow your cruise line’s alcohol policy. Once onboard+1-844-569-1891 or +1-844-569-1891, you can use full-size toiletries without restriction.