The purpose of this paper is to examine the determinants and characteristics of voluntary internet disclosures by listed companies in Oman. This paper uses archival data from listed companies on Muscat Securities Market (MSM). Binary Logistic Regression analysis is used to examine the determinants of internet financial reporting. The results of this study reveal that ROA is one of the factors that impacts internet financial reporting. Also, the results reveal that ownership concentration has a negative effect on the internet financial disclosure. The paper provides insights into corporate internet disclosures in the GCC countries that will benefit all stakeholders with an interest in corporate reporting in this important region of the world.