Charter pricing is famously opaque. Here's everything the operator will charge — mandatory items paid at the base, plus optional add-ons you can opt into.
Best for smaller groups This 16-metre Falcon suits couples or small families after comfortable, independent cruising, up to 10 berths across four cabins means you're not crammed in, but it's really a 4, 6 person boat in practice. The no-deposit charter is a nice touch financially, though you'll want to confirm what that actually covers.
Solid creature comforts She's well-equipped for self-catering: water maker, air con, heating, and decent galley kit mean you won't feel roughing it. The dinghy, snorkeling gear, and autopilot tick all the boxes for relaxed coastal exploring, and the radar plus chart plotter give you confidence in poorer visibility.
Age and value trade-off At 18 years old, "Estia Poseidon" is aging but still mechanically sound if well-maintained, that's the gamble. For a week's charter at this size from a reputable operator like 7seas Maritime, you're paying fair money, though you won't get the gleaming newness of a 2020-build.
One honest caveat The charter base location isn't listed here, which matters: if you're flying 12+ hours from the US or UK, you need that base within a reasonable airport transfer (ideally under 2 hours). Ask 7seas upfront where she's moored before committing, that detail changes the whole trip logistics.
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Based at Agios Kosmas Marina, in Hellinikon - Athens, Greece. Estia Poseidon is operated by 7seas Maritime.
Poseidonos avenue 18
Agios Kosmas Marina sits on Athens's southern coast, offering quick access to the Saronic Gulf islands; week one typically takes you south to Hydra, Spetses, and Poros, with manageable day passages of 2-4 hours and consistent northerly winds. The shallow, protected waters suit both confident sailors and those building sea legs, while you can easily return to Athens mid-week if needed. Based near the city centre, the marina works well if you want cultural time ashore before or after your sailing.
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