The Mary Siobhan offers private boat excursions around the Solent and surrounding areas. Established for over 20 years, we are located in Portsmouth and operate out of Langstone Harbour.
Our excursions are perfect for celebrating special occasions, sightseeing, scenic harbour tours and funeral services and are tailored to your requirements.
The Mary Siobhan is a 40 foot fast motorboat that has a large part-covered cockpit and is ideal for day cruising. She can take up to 12 passengers. On board facilities include a shower, bathing platform, BBQ, fridge freezer and music equipment.
We promise to give you the best customer service and the most competitive prices available.
The Isle of Wight
Priory Bay & Seagrove Bay
Other local retreats - just ask!
The Mary Siobhan offers private boat excursions around the Solent and surrounding areas.
You Choose the Time • You Choose the Destination
Visit coastal retreats on the Isle of Wight, Hayling Island and beyond.
Our boat trips are perfect for sightseeing.
Experience Portsmouth's historic dockyard from the sea or visit Chichester or Langstone harbour.
Photos from trips aboard the Mary Siobhan, around the Solent and beyond.
Skipper you done us proud! Thank you for a great day - you really are the best captain. We’ll be sure to see you again soon!
John Waldron is a widely experienced skipper. You can be assured of an exciting, interesting and safe trip aboard the Mary Siobhan.
It's been 20 years since we first went out. Thank you for making the trips possible. We'll see you again next year. Great boat and great skipper!