A ~45-60 min train from Savona drops you beside Renzo Piano's redeveloped Porto Antico, home to the biggest aquarium in Europe: 70 recreated marine ecosystems with dolphins, sharks, a penguin/Antarctic habitat and a glass tunnel. It's the rare 'big' bucket-list item that's weatherproof, family-proof and unmistakably Genoa's own -- ideal if the sea's too rough for boats or you've got kids in tow.
What to expect
You'll catch a train from Savona to Genoa's Porto Antico (45–60 minutes), stepping directly into Renzo Piano's waterfront redevelopment where the Acquario di Genova commands the harborfront. Inside, you'll move through 70 recreated marine ecosystems—crossing a glass tunnel beneath prowling sharks, watching dolphins arc through their habitat, descending into the Antarctic penguin wing—before emerging to explore the bustling harbor quarter itself. The whole rhythm is weatherproof and unhurried, designed for families and those wanting to avoid the unpredictable Ligurian Sea.
Direct wins by a mile. The ship's Aquarium & Porto Antico excursion is ~$115/pp; the entry ticket booked direct is $28, and the harbor itself is a free 10-min walk from the Genoa terminal. That's roughly $87/pp saved -- the ship is essentially charging $87 to walk you across the street. Train from Savona is ~EUR 4-5 each way. Easily fits a port day with hours to spare.
Good to know
Book timed-entry tickets online directly (€26–37/adult) before departure; the ship's package charges ~$115/pp for the same content, while the aquarium sits just a 10-minute walk from the Genoa terminal, meaning you're mostly paying for their shuttle. Within a 6–8 hour port window, budget 45–60 min each way for the train (~€4–5 per direction), 2.5–3 hours in the aquarium, leaving a comfortable 2+ hour back-to-ship buffer. Bring euro coins for the train; wear comfortable shoes for the Porto Antico quarter, which rewards wandering.