The Attic Coast is in Attica.
Temple of Poseidon at Sounion
When you visit Sounion you'll want to see the Temple of Poseidon (probably the best half-day trip you can do outside of Athens).
- Congo Palace Hotel, 75 Poseidonos Avenue, ☎ 210 89 46 711 (email@example.com, fax: 210 89 46 719), . checkin: 14:00; checkout: 12:00. Congo Palace Hotel is located in the heart of the cosmopolitan seaside neighbourhood of Glyfada, just 15 km from the center of Athens and 19 km from the international airport (El. Venizelos).
- Astir Palace  and  - a complex of three hotels (the last is under renovation) run by "Starwood Hotels" on a private peninsula. It is located on the southernmost point of the Athenian limits in Vouliagmeni. Beautiful beaches and good facilities.
- Grand Resort Lagonissi . Out of the city limits, located on a private peninsula with bangalows with private pools. Extraordinary beaches and restaurants.
- Grecotel Cape Sounio . On Cape Sounion near the Temple of Poseidon. It is generally far (~69 km) from the centre of Athens but the location is excellent. Bangalows with private pools.