The first thing to know about Poseidon Greek Seafood Restaurant is context: a waterfront or coastal backdrop in Miami, United States, matched with the ambitions of a seafood restaurant. Readers should look for freshness, clean handling and the kitchen's confidence with the catch, because that is where a restaurant of this type earns its reputation. It is most compelling for diners seeking seafood-led cooking where freshness and restraint matter, especially if the night calls for something more considered than a safe default.