The best day trip from Athens by boat is a full-day cruise through the Saronic Gulf to Agistri, Moni and Aegina — the closest islands to the city. The cruise begins with about a one-hour sail from Marina Zeas, Piraeus, then visits all three over the day, with swim stops, a Greek buffet lunch and open bar, returning by early evening. Booking the Athens 3-island day cruise direct skips the 20–30% commission the big booking sites add.
Why a boat day beats a bus day trip
Most Athens day trips put you on a coach to Delphi or the Peloponnese. A boat day is different: you swim two or three times in clear water, eat lunch aboard, and reach islands you can't get to by road — all without overnight planning.
The best boat day trips from Athens
Saronic Gulf 3-island cruise — the classic
The most popular option visits Agistri, Moni and Aegina: pine-fringed coves, a crystal-clear swim stop at Moni, and Aegina's pistachio harbour and ancient temples. Lunch and unlimited drinks are included.
4-island cruise — a different route
Want a different mix? The 4-island cruise follows its own route — Agistri, Aegina, Metopi and Salamina.
Athens Riviera half-day — short on time
If you only have a morning, the half-day Riviera cruise swims the Athens coast with lunch in about four hours.
Sunset cruise — the evening option
For golden hour, a sunset cruise sails the Athenian Riviera as the sun goes down, drinks aboard.
What's included on a day cruise
A full-day Saronic cruise from Marina Zeas includes a Greek buffet lunch prepared onboard, unlimited wine, beer and soft drinks, two or three swim stops, and crew. Hotel pickup is available on some tours.
How to book — and save
Every cruise can be booked direct on our tours page with instant confirmation and free 24-hour cancellation. Booking direct is cheaper than Viator or GetYourGuide — same boat, lower price.
Frequently asked questions
What is the best day trip from Athens by boat?
The Saronic Gulf 3-island cruise to Agistri, Moni and Aegina — the closest islands, a full day with lunch and swim stops, leaving Marina Zeas daily.
How long is a day cruise from Athens?
The full-day Saronic cruise runs about nine hours (09:00–18:00). The half-day Riviera cruise is around four hours.
Do day cruises from Athens include food and drinks?
Yes — a Greek buffet lunch and unlimited wine, beer and soft drinks from the open bar.
Is it better to book direct or through Viator or GetYourGuide?
Direct is cheaper. The booking sites add 20–30% commission for the same cruise; direct gets you the same boat at a lower price, with free 24-hour cancellation.

