The data management program for Vung Ro Bay (Phu Yen province) is designed to provide a historical data set of marine processes in the bay and create proper tools for environmental managers to have an overview of the bay's environmental quality and propose appropriate solutions for the economic development of the region. The database includes 6 survey data-sets with 53 stations and 127,560 data sets stored. Information on the data management program development process, including data collection, quality assessment, storage, and management, has been integrated. The software is designed for non-specialist users, with easy installation and compatibility with various Windows versions. Data can be updated and extracted easily, in a Vietnamese-friendly and fast-run manner. Keywords: environmental parameters, management software, database, geographic information, Vung Ro Bay