Parco sommerso di Baia, Marine protected area in Bacoli and Pozzuoli, Italy.
The park covers roughly 176 hectares of seabed off the coast of Bacoli and Pozzuoli, holding submerged remains from Roman times. The structures lie at depths between three and 15 meters and include roads, statues, harbor works, and remnants of palaces.
The area sank gradually through bradyseism, a volcanic ground movement that lowered the coastal strip over centuries. The change began as early as late antiquity and continued into modern times.
The name Baia recalls the ancient resort favored by Roman emperors and wealthy families as a retreat from the capital. Visitors now see beneath the water the remains of colonnaded halls and thermal baths that once formed part of a social life centered on relaxation and display.
Guided tours with glass-bottom boats offer a view of the ruins without entering the water, while snorkelers and divers get closer to the structures. Access depends on weather, so checking conditions before visiting is advisable.
Some of the underwater statues were made in the first century AD and depict gods and mythological figures that would have stood in temples or fountain installations on land. The cold of the sea has preserved traces of paint on some sculptures that would otherwise have disappeared long ago.
Location: Bacoli
Location: Pozzuoli
Inception: August 7, 2002
Phone: +390815232739
Email: centrovisiteampbaia@gmail.com
Website: http://areamarinaprotettabaia.eu
GPS coordinates: 40.81811,14.07608
Latest update: December 5, 2025 22:29
Casina Vanvitelliana
1.5 km
Monte Nuovo
2.1 km
Piscina Mirabilis
2.6 km
Aqua Augusta
2.6 km
Parco Archeologico delle terme di Baia- Bacoli
566 m
Parco regionale dei Campi Flegrei
2.4 km
Casina Vanvitelliana
1.5 km
Grotta di Cocceio
2.5 km
Emperor Claudius' sunken nymphaeum
443 m
Turistico Beach Park
3.3 km
Cento Camerelle
2.3 km
Phlegraean Fields Archaeological Museum
830 m
Castello Aragonese
1.1 km
Cripta Romana
3.2 km
Sohal Beach
2.5 km
Fortino Tenaglia lighthouse
856 m
Spiaggia Villa Ferretti
642 m
Archaeological Museum of the Phlegrean Fields
870 m
Spiaggia del Poggio
2.5 km
Mercato all'ingrosso
3.3 km
Tomba di Agrippina
1.8 km
Cumae amphitheatre
3.2 km
Temple of Venus, Baiae
445 m
Spiaggia Miliscola
3.3 km
Lago del Fusaro
2.1 km
Lago d'Averno
2.2 km
Lago di Lucrino
1.2 km
Lago di Miseno
2.9 kmVisited this place? Tap the stars to rate it and share your experience / photos with the community! Try now! You can cancel it anytime.
Discover hidden gems everywhere you go!
From secret cafés to breathtaking viewpoints, skip the crowded tourist spots and find places that match your style. Our app makes it easy with voice search, smart filtering, route optimization, and insider tips from travelers worldwide. Download now for the complete mobile experience.
A unique approach to discovering new places❞
— Le Figaro
All the places worth exploring❞
— France Info
A tailor-made excursion in just a few clicks❞
— 20 Minutes