AreaMaps.org
A comprehensive guide to hotels, resorts and spas in locations worldwide that includes plenty of customer reviews.
http://www.areamaps.org/

Asia Hotels.com
Customers spill the beans on hotels they booked through Asia-Hotels.com. The company also has a European site which is listed further down this page.
http://www.asiahotels.com/

Asia Rooms.com
Packed full of customer reviews of hotels in Asia and Australasia, as well a few further afield.
http://www.asiarooms.com/

Bahamas-on-line.com
Reviews of selected hotels and resorts in the Bahamas.
http://www.bahamas-on-line.com/reviews/hotels/

Bookings
The site doesn't actually offer reviews, but it does contain pictures of countless hotels worldwide, to help you make up your mind.
http://www.hoteloverview.com/

Business Traveller
The cityguide section of this business travel portal contains reviews of hotels worldwide that attract a corporate clientele.
http://www.businesstraveller.com/

Caribbean-On-Line.com
Reviews of hotels and resorts across the Caribbean.
http://www.caribbean-on-line.com/hotelreviews/

Ciao.co.uk
Customers reveal the good and the bad about hotels, hostels and B&Bs worldwide. Very much a work in progress.
http://www.ciao.co.uk/Hotels_5034302_3

DIY Travel.co.uk
Contains a growing database of customer reviews of hotels and holiday apartments worlwide. Has potential.
http://www.diytravel.co.uk/

Dooyoo.co.uk
Lots of hotels but, only a few reviews; a site that has yet to reach critical mass.
http://www.dooyoo.co.uk/travel/hotels_international/

Ebookers.com
Boasts a large number of user reviews of accommodation worldwide.
http://www.ebookers.com/

Epic Trip
Contains video guides to hotels all over the globe. There are plans to add reviews of the featured properties soon.
http://www.epictrip.com/

Epinions.com
Customer reviews of hotels all over the world organized by destination and chain.
http://www.epinions.com/lodg-Hotels-All

Euro Cheapo
An independent guide that offers opinionated reviews of Europe's best budget hotels.
http://www.eurocheapo.com/

Euro-Hotels.com
A hotel booking site that offers customer reviews of most of the establishments it features.
http://www.euro-hotels.com/

Find That Hotel
Contains entries for 15,000 hotels throughout the UK, many of which have been reviwed by former guests.
http://www.hotel-blogs.com/

First Travel
Contains information from magazines, newspapers and guidebooks, as well as the personal opinions of other travelers, on accommodation ranging from budget hotels to luxury resorts.
http://draco.centerline.com/

Fodors.com
Rate hotels around the world for the quality of their rooms, atmosphere, service and value, and add detailed comments. Alternatively, you can just read others' reviews by clicking on the "User Rating" link next to each entry.
http://www.fodors.com/reviews/lrevselect.cfm

Global Hotel Review
Contains a modest collection of basic reviews of hotels around the globe; probably most useful if you are looking for a room in North America.
http://www.globalhotelreview.com/

Good Hotel Guide
Online version of the guidebooks that highlight the best hotels in the UK to book yourself into. Free registration allows you to access the site in full.
http://www.goodhotelguide.com/

Gusto!
Contains a small, but ever-increasing, number of hotel reviews.
http://www.gusto.com/

Holiday Watchdog
Selected hotels and hostels reviewed by guests. The site encourages visitors to post videos of resorts or accommodation they have stayed in.
http://www.holidaywatchdog.com/

Holiday-Truth.com
Hotel reviews, resort reports, cruise reviews, and more.
http://www.holiday-truth.com/
http://www.holidaytruths.co.uk/

Holidays-Exposed.com
Contains a growing number of independent, unbiased hotel, motel, bar and restaurant reviews for locations worldwide.
http://www.holidays-exposed.com/

Holidays-Uncovered.co.uk
This site lists over 6,000 complaints and reviews by real holidaymakers about resorts and accommodation in popular package destinations.
http://www.holidays-uncovered.co.uk/
http://www.holidays-uncovered.org/
http://www.holidaysuncovered.co.uk/

Hotel & Travel Index
Although it is aimed primarily at travel professional, anyone can consult this website for detailed profiles of almost 79,000 hotels worldwide. Check it out to find out what amenities or facilities a particular establishment actually offers.
http://www.hotelandtravelindex.com/

Hotel Chatter
A hotel industry news and gossip website that emails hotel reviews direct to subscribers.
http://www.hotelchatter.com/

Hotel Guide.com
A free, moderated discussion-newsletter in which leisure and business travellers can share their travel and lodging experiences with others.
http://www.hotelguide.com/

Hotel Search Engine
An international hotel booking website that includes detailed descriptions for most of the establishments it features. A few hotels also carry customer reviews.
http://www.hotels-search-engine.org/

Hotels Combined
A hotel price comparison website that also features plenty of guest reviews.
http://www.hotelscombined.com/

Hotels Shark
Hosts a small but growing collection of unbiased reviews of hotels, motels, resorts and lodging worldwide.
http://www.hotelshark.com/

Hotel Shopper
Hotel information and rate comparison site. Contains lots of pictures of hotels around the world, both of the exterior and the interior.
http://hotels-shopper.com/

HotelNet.co.uk
Read reviews or submit your own of hotels the world over.
http://www.hotelnet.co.uk/

HotelShark.com
Contains a modest, but growing, number of unbiased hotel reviews, most of which are for properties in North America.
http://hotelshark.com/

Hotelview
Take a fully narrated video "walking" tour through selected hotels worldwide.
http://www.hotelview.com/

Ideal Hotel.co.uk
The website aims to offer holiday reports and hotel reviews by real holidaymakers, but contained disappointingly few useful entries when we visited.
http://www.idealhotel.co.uk/

IgoUgo
Honest reviews of hotels around the world, submitted by guests. Just pick a destination and click the hotels tab to start reading/contributing.
http://www.igougo.com/

International Travel News
A limited number of reviews of hotels around the world, contributed by travellers.
http://www.intltravelnews.com/Accommodations.htm

iTraveliShop.com
Professional reviews of upmarket hotels worldwide.
http://itravelishop.com/hotel_reviews

J.D. Power Consumer Center
A survey of guest satisfaction with hotel chains in a number of different price categories.
http://www.jdpower.com/cc/travel/ratings/hotel/Find.jsp

Lonely Planet
Features accommodation that has been reviewed by LP authors and readers.
http://www.lonelyplanet.com/accommodation/

Lonely Planet Haystack
Book accommodation all over the world that has been reviewed and recommended by Lonely Planet's very own team of writers.
http://haystack.lonelyplanet.com/
http://www.lonelyplanet.com/accommodation/

Malaysia Hotels Travel within Kuala Lumpur, Penang and Langkawi
Malaysia lodging reviews.
http://malaysia-hotel.blogspot.com/

Microsoft
Download a free ready made complaint letter about poor hotel service, along with templates for many other travel related issues.
http://office.microsoft.com/en-us/templates/CT101467891033.aspx

My3Cents
Candid consumer reviews of airlines, car hire firms, cruise lines, hotels, travel agencies and travel in general.
http://www.my3cents.com/

MyTravelGuide
Features a hotel price comparison engine and lots of guest reviews of hotels all over the globe, particularly North American accommodation.
http://www.mytravelguide.com/hotels/

Priceline.co.uk
Use the company's Pillowtalk™ facility, in conjunction with the guest reviews, to find the European hotel that is right for you. The site features over 300,000 independent contributions.
http://www.priceline.co.uk/

Reid Bramblett
Notes on European hotel accommodation.
http://www.reidsguides.com/t_h_lodging.html

Review Centre
A British consumer review site that includes customer comments and ratings of assorted hotels and apartments worldwide.
http://www.reviewcentre.com/

Sheriff Ratings
Rate places, airports and hotels you have been to.
http://www.sheriffratings.com/travel/

Show Hotel
Offers video tours of major chain hotels and motels located all over the US.
http://www.showhotel.com/

Skoosh
Allows you to check availability, see prices and read customer reviews in order to find the best places to stay in Europe.
http://www.skoosh.com/

Sleep Critique
Reviews of lodging all over the country posted by ordinary travellers.
http://www.sleepcritique.com/

Slow Travelers
Trip reports from travellers that include detailed reviews of hotels. Be warned though, some countries are covered more thoroughly than others.
http://www.slowtrav.com/

theHoteliers
Contains detailed profiles and customer ratings of hotels around the world. Registration required to access the website.
http://www.thehoteliers.com/

The Seashell
A monthly newsletter that offers subscribers hotel reviews and news.
http://www.travelintelligence.net/wsd/html/subscribetous.htm

This is Travel
This is Travel hosts independent and impartial reviews of thousands of holiday hotels, apartments and resorts all over the world, which have been supplied by the 'bible' of the travel industry, Gazetteers.
http://www.thisistravel.com/travel/accommodation/hotel_search.html

Travel Intelligence
Features over 2,000 deluxe and boutique hotels worldwide, all of which have been reviewed and recommended by TI's team of 130+ travel writers and contributors.
http://www.travelintelligence.net/

Travel Library.com
Browse hotel reviews, add your own, or find the contact details of hotels worldwide.
http://www.travel-library.com/hotels/

Travelago.com
View videos tours of selected hotels around the globe.
http://www.travelago.com/

TravelLibrary.com
Hotels reviews, travelogues, holiday guides and much more.
http://www.travel-library.com/
http://www.travellibrary.com/

Travelocity.com
A good number of the hotels listed on this site feature guest reviews, especially those located in North America.
http://www.travelocity.com/

TravelPost.com
A comprehensive hotel directory that also boats thousands of unbiased reviews and ratings of listed properties.
http://www.travelpost.com/

TravelQuality.com
Customer reviews and pictures of selected airport hotels around the globe.
http://www.travelquality.com/hotels/index.html

Trip Advisor
Read unbiased reviews of hotels, resorts, inns, B&Bs, travel packages, vacation packages, and more.
http://www.tripadvisor.com/

Trivago
Accommodation reviews and hotel price comparison.
http://www.trivago.com/

Trivop
Contains video tours of hotels. When we visited, all the listings were for European establishments.
http://www.trivop.com/

TV Trip
A rapidly expanding site that features videos of hotels all over Europe.
http://www.tvtrip.com/

Undercovertourist.com
Theme park tickets, hotels, villas and resorts, bus tours, dinner shows and more, all backed-up with honest and accurate descriptions.
http://www.undercovertourist.com/

Vibe Agent
Hotel rankings based on community recommendations coupled with competitive booking rates.
http://www.vibeagent.com/

Virtual Tourist
Read about or write about accommodation all over the globe.
http://www.virtualtourist.com/

Virtually the World
Take a virtual tour of selected hotels worldwide.
http://www.virtually-theworld.com/

Where to Stay.com
Hotels, resorts, villas and private islands in the Caribbean and Hawaii rated and reviewed. You can book them online, too.
http://www.wheretostay.com/

World 66
An open source travel portal that invites travellers to rate and review everything from hotels to tourist sites in several hundred cities and travel destinations worldwide. We felt that the entries were more descriptive than critical and, therefore, not as useful as they could have been.
http://www.world66.com/

World Press Review
A guide to famous war hotels around the globe favoured by journalists.
http://www.findarticles.com/p/articles/mi_m1453/is_n10_v40/ai_14491947

Yahoo! Travel
Packed full of customer reviews and user ratings of hotels around the world.
http://travel.yahoo.com/

Zoom and Go
Share reviews and pictures of hotels with real travellers.
http://www.zoomandgo.com/

Zuji
An Asian travel portal that carries over 60,000 guest reviews of hotels worldwide.
http://www.zuji.com.com/