Bydd Canolfan Arfordirol Rhyngwladol Cymru'n cynnwys pedwar datblygiad cysylltiedig. Y Ganolfan Ragoriaeth Arfordirol a Chanolfan Stormydd Arfordirol; Dec Digwyddiadau Cenedlaethol; Canolfan i’r  Celfyddydau a’r  Schooner – llong hamdden dal hanesyddol. Mae rhai o'r datblygiadau hyn yn ddibynnol ar ganiatâd cynllunio.
The Wales International Coastal Centre will comprise of four linked developments: Marine Centre of Excellence and Coastal Storm Centre; National Events Deck; Ocean Square Heritage & Arts Centre; Coastal Schooner - historic tall ship recreation. Some of these developments are subject to planning.