Can I bring full-sized sunscreen in my carry-on bag?

No. Any liquid, gel, or aerosol sunscreen container larger than 3.4 oz (100ml) is strictly prohibited in carry-on luggage and must be packed in checked hold baggage.

Are aerosol sunscreen spray cans allowed on planes?

Yes. Aerosol sunscreens under 3.4 oz (100ml) are permitted in carry-on 3-1-1 bags. Larger aerosol cans (up to 18 fl oz / 500ml) are allowed in checked baggage, provided cap covers prevent accidental release.

Can I bring a beach umbrella or pop-up tent on a flight?

Small collapsible beach umbrellas fitting standard carry-on dimensions are allowed in cabin bags. Larger beach umbrellas and tent poles generally must be checked.

Is reef-safe sunscreen required for travel to Hawaii or Mexico?

Yes. Hawaii, the US Virgin Islands, Key West, and many Caribbean resorts legally mandate reef-safe mineral sunscreens free from oxybenzone and octinoxate.

Can I bring sea shells or sand back on a flight?

Small quantities of clean beach sand and shells are generally allowed in carry-on and checked bags for US domestic flights. International customs may restrict natural animal or coral products.

How do I prevent sunscreen bottles from leaking on a flight?

Unscrew the bottle cap, place a piece of plastic wrap over the opening, screw the cap back on tightly, and place the bottle inside a zip-top bag.

Are beach towels allowed in carry-on luggage?

Yes. Beach towels are fully permitted in carry-on bags. Microfiber travel towels are recommended to save luggage space.

Can I bring a snorkel set and fins in carry-on luggage?

Yes. Snorkel masks, tubes, and swimming fins are permitted in carry-on baggage provided they fit within your airline's overhead bin size limits.

TSA持ち物リストTSA確認済み・信頼度高更新: 2026

完全な持ち物リスト — ビーチ旅行

Sun, Swimwear & TSA Liquid Rules Guide

ビーチ旅行の持ち物リストと手荷物ルール

要点

For a beach vacation, pack 2-3 swimsuits, reef-safe sunscreen (under 3.4 oz for carry-on or full size in checked bags), sunglasses, UV cover-ups, flip-flops, aloe vera gel, reusable water bottle (empty for TSA), and beach tote bag.

オリジナルのリストを作成

概要とTSA適合性

Complete beach packing checklist covering sun protection cosmetics, liquid sunscreen regulations, water safety gear, resort attire, and TSA carry-on guidelines.

ビーチ旅行のおすすめ持ち物リスト

品目	カテゴリ	TSAの扱い	入れる場所	荷造りメモ
Swimsuits & Trunks (2-3x)	Clothing	持ち込み可	Carry-on or Checked	Rotate pairs to allow thorough drying between uses.
Reef-Safe Sunscreen Lotion (<3.4 oz)	Liquids	条件付き	3-1-1 Quart Bag	Non-nano zinc oxide formula safe for coral reefs.
Full-Sized Sunscreen (>3.4 oz)	Liquids	持ち込み可	Checked Bag ONLY	Must be packed in checked hold luggage due to size.
Polarized Sunglasses & Case	Personal Care	持ち込み可	Personal Item	Protect lenses with hard protective cases.
UV Protective Sun Hat / Cap	Clothing	持ち込み可	Worn or Carry-on	Wear wide-brim hats onto flight to avoid crushing.
Flip Flops & Water Shoes	Clothing	持ち込み可	Carry-on or Checked	Pack in washable mesh shoe bags.
Aloe Vera After-Sun Gel (<3.4 oz)	Personal Care	条件付き	3-1-1 Quart Bag	Soothes sun exposure; must follow 3-1-1 limits.
Stainless Steel Water Bottle (Empty)	Personal Care	条件付き	Carry-on Bag	Must pass security empty; refill at airport hydration stations.
Quick-Dry Microfiber Beach Towel	Clothing	持ち込み可	Carry-on or Checked	Takes up 70% less space than standard terry cloth towels.
Waterproof Phone Pouch / Dry Bag	Electronics	持ち込み可	Carry-on Bag	Keeps phones safe from ocean sand and water.
Lightweight Summer Dresses / Shorts	Clothing	持ち込み可	Carry-on or Checked	Choose breathable linen or quick-dry fabrics.
Insect Repellent Spray (<3.4 oz)	Liquids	条件付き	3-1-1 Quart Bag	Pump sprays allowed in carry-on; aerosols under 3.4 oz.

ビーチ旅行で避けたい荷造りの失敗

Attempting to carry full-sized liquid sunscreen (exceeding 3.4 oz / 100ml) through TSA security in carry-on bags.

Carrying aerosol sunscreens larger than 3.4 oz in carry-on luggage (confiscated at security checkpoints).

Filling reusable water bottles with water before passing airport X-ray security screeners.

Packing wet swimsuits in sealed plastic bags for long flights, causing mildew odors.

Forgetting that non-reef-safe sunscreens containing oxybenzone are legally banned in destinations like Hawaii, USVI, and Mexico.

ビーチ旅行の荷造り手順ガイド

ステップ1

Audit Sunscreen & Liquid Sizes

Decide whether to bring travel-sized 3.4 oz sunscreens in carry-on or pack full-sized bottles inside checked bags.

ステップ2

Check Destination Coral Reef Laws

Select mineral sunscreens (zinc oxide or titanium dioxide) to comply with environmental laws in tropical destinations.

ステップ3

Protect Eyewear & Electronics

Store polarized sunglasses and camera electronics inside dust-proof, shock-resistant hard cases.

ステップ4

Pack Quick-Dry Fabrics

Select synthetic or linen clothing that dries fast in humid seaside climates.

ステップ5

Empty All Hydration Containers

Ensure water bottles, hydroflasks, and hydration packs are 100% dry and empty prior to TSA checkpoint queuing.

ステップ6

Seal Liquids in Double Zip Bags

Prevent elevation pressure leaks by double-bagging all liquid suntan oils and lotions.

主要航空会社の手荷物許容量一覧

航空会社	機内持ち込み制限	預け入れ制限
Delta Air Lines	22 x 14 x 9 in (No weight limit)	50 lbs (23 kg)
United Airlines	22 x 14 x 9 in (17 lbs / 8 kg)	50 lbs (23 kg)
American Airlines	22 x 14 x 9 in (22 lbs / 10 kg)	50 lbs (23 kg)
Lufthansa	21.6 x 15.7 x 9 in (17 lbs / 8 kg)	50 lbs (23 kg)
Air France	21.7 x 13.8 x 9.9 in (26 lbs / 12 kg)	50 lbs (23 kg)
British Airways	22 x 18 x 10 in (50 lbs / 23 kg)	50 lbs (23 kg)
Ryanair	21.6 x 15.7 x 7.8 in (22 lbs / 10 kg)	44 lbs (20 kg)
Emirates	22 x 15 x 8 in (15 lbs / 7 kg)	66 lbs (30 kg)
Singapore Airlines	22 x 15 x 8 in (15 lbs / 7 kg)	66 lbs (30 kg)