Xinyi Zhang, Maliheh Gholizadehsarvandi, Kaja Reinhardt, Scott Hellinger ORE Capstone Class *In-person (HOLM243) & via Zoom* Zoom Meeting Link Meeting ID: 890 6867 4318 Passcode: ORE Waikīkī Beach is experiencing chronic erosion due to disrupted natural sand transport, shallow reef channels, and accelerating sea-level rise. The shoreline between the Fort DeRussy and Royal Hawaiian groins has become increasingly vulnerable, with frequent overwash posing risks to public safety and adjacent properties. This project aims to implement a beach nourishment and long-term maintenance plan for Waikīkī, supported by the design of a low-crested reef-crest breakwater system intended to reduce wave energy, stabilize