Helmy · Yacht Management
Marina in Vila Nova de Gaia, Portugal
Rua da Praia 430, 4400-554 Afurada, Vila Nova de Gaia
Marina on the south bank of the Douro estuary at Afurada, opposite Porto, with travel lift (rates published up to 25 m), crane, dry storage and jet-ski/dinghy ramp; berth classes run to 45 m and over. VHF 9, 24-hour security.
Technical Services
https://www.douromarina.com/en/
All marinas and harbours on Helmy
Helmy lists marinas port by port, free, with no account needed to look. It is also where a boat keeps her own papers, manuals, log book and orders.