Board a dive boat in Kos for a half-day trip to Pserimos where shallow reefs and clear water make for accessible snorkeling and easy marine sightings. Morning departures, equipment included, and a mix of diver and snorkeler stops make this a good short sea escape.
More ways to explore the area's outdoor wonders
Salt spray and diesel hum—the harbor is waking as the boat slips free of Kos town and the mainland rhythm falls behind. By midmorning the island of Pserimos appears low and sun-browned, its rocky shore daring you to step off the ladder and into a green-blue world where fish thread between boulders and seagrass beds ripple like fields in wind.
Difficulty
easy
Duration
5–6 hours
Fitness Level
Suitable for people in average fitness—able to climb a short ladder and swim at surface level for 10–20 minutes.
Wildlife
History
Pserimos has been used for generations by fishermen and shepherds; its low profile and rocky shores made it a seasonal stop for local seafarers.
Conservation
Practice no-touch snorkeling, use reef-safe sunscreen, and pack out waste—local operators encourage low-impact visits to protect seagrass beds and reef life.
Reserve your spot on the Half Day Snorkelling Experience with a dive boat in Kos Greece today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive early to check gear
Show up at least 20 minutes before departure to get fitted for masks and fins and confirm any medical info.
Use reef-safe sunscreen
Protect marine life and avoid skin irritation by applying reef-safe sunscreen before boarding.
Secure loose items
Bring a dry bag or leave valuables on shore; decks can be wet and waves may splash when boarding.
Pace your swims
If you’re new to snorkeling, start with short surface floats near the boat and conserve energy for the return.
Mask, snorkel, fins (provided but optional to bring your own)
Personal gear often fits better and reduces fogging in warm water.
summer
Rashguard or lightweight sun shirt
Protects from sun and wind while on deck and during long surface swims.
summer
Waterproof phone case or small dry bag
Keeps belongings dry and lets you carry a camera safely.
summer
Reusable water bottle
Stay hydrated on deck—crew water may be limited and sun is strong.