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Siros Marinas and Harbors

Located in the heart of the Cyclades, Syros is an appealing stop for sailors with its distinctive architecture and bustling capital, Ermoupoli. The island's central location and well-sheltered harbors offer boats sailing in the Aegean both cultural richness and safe havens.

This guide to the best marinas and harbors in and around Syros has been compiled based on the experiences and ratings of fellow sailors. We aim to provide practical information to help you find the anchorage or mooring spot that best suits you when planning your travels.

#1
Poseidonia Harbour
Harbour
#2
Atlas Boatyard
Harbour 💰 Free
#3
Finikas Marina
Marina 💰 Free
#4
Lazaretta (Ermoupolis, Sirou) Marina
Marina 💰 Free
#5
Ermoupoli Marina
Marina 💰 Free
All places in Syros → · Explore on the map → · Compiled from sailors’ reviews, updated on 01/11/2026.