Right between the city and Poetto beach lies Molentargius-Saline, a former royal saltworks now home to a resident colony of thousands of pink flamingos that breed here — one of very few places in Europe they do — alongside 180-plus bird species. A guided e-bike or boat tour with the park's environmental guides is the only way into the protected core where the flamingos and slender-billed gulls nest, gliding past salt pans, canals and the evocative 'City of Salt'. It's a surprisingly wild, photogenic counterpoint to the ruins and a true Sardinian signature.
What to expect
Tours leave from near the port or the park's Edificio Sali Scelti and follow flat canal-side paths and embankments, stopping at a birdwatching hut before the Bellarosa Maggiore basin where flamingos and gulls nest. Guides scope the birds and explain the saltworks history and the lagoon ecology. An e-bike makes the distance to Poetto effortless; bring binoculars or a zoom lens. Allow 2–3 hours.
Cruise lines seldom feature Molentargius as a dedicated excursion, so there's no real ship equivalent to overpay for — and when a nature add-on appears it's bundled at a premium. This is firmly a book-direct experience: the park's own guides are also the only ones permitted into the protected nesting zones, so direct booking is the only way to get the genuine close-up.
Good to know
The park sits on the city's eastern edge, ~15–20 min from the pier; the official protected-area visits and e-bike tours must be pre-booked through the park guides. Early morning and late afternoon give the best light and bird activity. Bring sun protection, water and a camera — and confirm the return timing against your all-aboard, though this is one of the closer outings.
Sail there
Luxury cruises that call at Cagliari — book through us, the fare is identical and your concierge stays on your side.