The Ocean Cafe is a business near the beach in Gold Coast, Australia and is a popular hangout, frequented by the mermaids, Zac, and others. David's family own the Ocean Cafe, and he takes part in the family business. Evie also works at Ocean Cafe selling sporty beachwear. She even books scuba diving and other underwater activities there that her father organizes. Sirena sings there, which is also how Sirena and David met.
- It's owned by David's family.
- Serves seafood, including prawns and lobster.
- Is similar to Rikki's Cafe (previously the Juicenet Cafe) in H2O: Just Add Water.
- David's older brother, Joe, appears to supply the cafe.