Our tours were born out of our passion for this beautiful region.
Hence, and in keeping with our easy going and friendly tradition of embracing and welcoming visitors., we are constantly developing authentic experiences for your leisure, continuously focusing on your welfare and excellence.
Naturally proud of our labour, we are confident that when compared, our tours represent superb value for money contributing to the excellence of your holiday in the Algarve.
Maybe, that is what makes us different and our clients distinguish us for the professionalism, personalized service and quality provided.
SEASIREN TOURS is fully bonded and insured, registered by the Tourism of Portugal, with the licences No. RNVAT 5228 and RNAAT 188/2015, regulated by the Portuguese Government.


10 meter (33ft)

Seasiren is a 10-meter (33ft) powerboat, designed for performance, Comfort and Style aboard. The boat is equipped with everything you need to enjoy your day including a WC, comfortable upholstery seating, a sundeck and retractable shade. The structure as an open deck with a centre-console layout to allow free movement around the boat. There is plenty of dry storage facilities for your belongings plus Wi-Fi and the latest sound system available to keep everyone entertained, complete with an easy boarding ladder and freshwater shower.

In addition to the latest navigation & safety equipment, it is powered by 2 x 250 HP V6 Honda’s, the latest ECO-engines, perfect for any kind of water sports or entertaining friends and family. If you enjoy sightseeing, a visit inside the caves or performance power boating as much as you do offshore fishing and a day at your favourite reef, you’ve come to the right place.


13 meter (42ft)

Our newest boat, Seasiren II is a 13 meter (42ft) open boat with capacity for 30 guests, Custom designed for gentle sightseeing and exploring deep into the dark caves, capable of accessing areas that others vessels can’t reach. Fully equipped with safety equipment and comfortable upholstery seating with backrest support, complete with dry storage facilities for your belongings, and is powered by the latest Eco-engine.

* All programs are subject to change and / or cancellation under adverse weather conditions.