About CMEx The mission of Caribbean Media Exchange, Inc. (CMEx) is to support and develop the ability of the media, government, the travel and tourism industry and communities to consider the importance of tourism in sustainable development, while lending a hand to the communities involved by sharing relevant expertise, financial and in-kind assistance. CMEx is a 501(c)(3) nonprofit organization, so your donations are tax-deductible (EIN 26-4127301).