Shorts, T-shirts, Tank Tops form the core of your daily wear. Bring a good supply, as you may change clothes frequently due to sweat or beach activities. Pack several Swimsuits as you will likely spend much time near or in the water. Casual Dresses/Skirts are comfortable for women for both daywear and casual evenings. Lightweight cover-ups are useful for moving between the beach/pool and public areas.
Plan your clothing based on your intended activities. For walking/sightseeing, comfortable Walking shoes or sturdy Sandals are important. For hiking, sturdy Sneakers or Light hiking shoes with good grip are necessary, as trails can be muddy. Long pants can protect from insects.
Your main footwear for casual wear and beach visits.
For exploring towns, museums, and general sightseeing.
Very useful for rocky beaches, snorkeling over coral, or exploring riverbeds.
Keeping your travel documents organized and secure simplifies your journey. Prepare both physical and digital copies of everything important.
Guam uses Type A and Type B power outlets, identical to those in the United States and Canada (120V at 60Hz). If traveling from elsewhere, a Universal Travel Adapter is necessary. Check for dual voltage devices. Your mobile phone will likely work. Check international roaming or purchase a local ESIM from providers like Docomo Pacific or GTA. An Portable Power Bank is useful.
Bring a camera for capturing Guam’s landscapes and marine life. A Waterproof camera or a Waterproof case for your Smartphone is highly recommended for water activities. Consider extra batteries and memory cards. For equipment purchases, try B&H Photo.
Guam uses 120V, 60Hz. If from a different region, a Voltage converter or Power adapter might be needed.
Ensure your phone is "unlocked" for local SIM cards. Check for eSIM availability.
Regularly back up photos and data to cloud storage or an external drive.
A well-stocked personal health kit prepares you for minor ailments. A compact First Aid Kit for Travel is a must. Include bandages, antiseptic wipes, sterile gauze, medical tape, Pain relievers, Acetaminophen, antacids, Anti-diarrhea medication, and allergy medication. Add blister treatment for walking.
Guam's intense sun requires protection. High SPF (30+ or 50+) Broad-spectrum sunscreen is essential. Reapply frequently, especially after swimming. Reef-safe sunscreen is strongly encouraged to protect Guam's delicate coral reefs. An After-sun lotion or aloe vera soothes sunburn. Mosquitos are present, so use Insect repellent with DEET or Picaridin.
While gear is available for rent, bringing your own Travel Snorkel Set ensures fit and hygiene. A good Snorkel mask and fins enhance the underwater experience.
Sturdy, broken-in Hiking shoes or boots are important. A Small daypack for water, snacks, and a First aid kit is useful.
An Underwater camera or Waterproof phone case to capture marine life. Surfboards and paddleboards are best rented locally.
These items improve comfort, security, and convenience. Small Padlocks for luggage or hostel lockers. A Money belt or hidden pouch for passports, extra cash, and credit cards discreetly. RFID protection for wallets or passport holders.
While Guam has supermarkets and convenience stores, specific brands of toiletries, specialized sunscreens, or niche health products might be harder to find or more expensive. If you rely on a particular item, bring it. Good quality Insect repellent with DEET is available, but if you have a strong preference, bring your own.
Reduce plastic bottle waste.
Protect marine ecosystems.
Avoid single-use plastics.
Reduce takeout waste.
Pack light, quick-drying clothing. This helps with laundry and comfort in the humid climate. Consider bringing one outfit that can double as a nicer dinner option.
Pack a small daypack for daily excursions. This holds water, sunscreen, a hat, and any souvenirs you pick up.