The Otters Aquatic Club Membership Payment Portal is a custom-built web solution designed to streamline the annual membership renewal process for club members. Developed entirely in PHP, the system allows users to securely pay and renew their access to various sports facilities. With an integrated IPG (Internet Payment Gateway) and a dedicated admin panel, the portal simplifies operations for both members and administrators. Deployed on PHP hosting, it ensures ease of access, reliability, and efficiency for one of Sri Lanka’s most prominent sports clubs.