Columbus Guides - World Travel Guide: Guam: Tourist and business travel information with facts on climate, visa, health, passport, currency and customs requirements.
Guam: A brief description of what there is to see and do on Guam.
Guam at a Glance: Guam Visitors Bureau featuring information on things to see and do while on the island.
Guam Online: A guide for visitors, residents and prospective residents and military personnel anticipating assignment to Guam.
iExplore Community: Guam: Adventure and experiential travel agency provides traveller-written journals, reviews and photos.
Island Contact: Personal travel guide on Guam using 4WD vehicles.
Lonely Planet - World Guide: Guam: Comprehensive facts and advice for traveling along with background material on the culture and history of the country.
The Island Guam: Photographs, a map, information about Andersen Airforce Base, weather, and travel tips.
World66 - Guam: Travel guide based on reader-submitted information.