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Spend a full day exploring the beautiful sheltered coastline of Great Keppel Island aboard the Portless Trinity — a spacious and unique electric-powered trimaran designed for relaxed island adventures and unforgettable experiences on the water.
Operating within the protected waters between Fisherman’s Beach and Putney Beach, the Trinity offers guests the opportunity to cruise, swim, snorkel, beach hop, and unwind at their own pace while surrounded by the stunning scenery of the Southern Great Barrier Reef.
Designed for comfort, stability, and simplicity, the Portless Trinity is ideal for families, groups of friends, couples, and visitors wanting a premium self-guided boating experience without needing a boat licence. With space for up to 5 guests, the vessel provides plenty of room to relax throughout the day while enjoying Great Keppel Island’s calm bays and tropical coastline.
Every booking includes a full safety induction prior to departure, with all operations conducted within the designated Portless Trinity operating area as outlined in the onboard operating map. The vessel is purpose-built for calm and sheltered conditions, creating a safe and enjoyable experience for guests of all experience levels.
Optional extras including snorkel gear & bathyscopes.
Departures operate from Fisherman’s Beach, Great Keppel Island, with all hires subject to daily weather and sea conditions to ensure guest safety and enjoyment.
Whether you’re planning a relaxing beach day, a scenic cruise with friends, or a memorable family adventure, the Portless Trinity offers one of the most unique and enjoyable ways to experience Great Keppel Island.
Thanks again for booking the Portless Trinity with GKI Boat Hire — we’re excited to have you joining us for a full day exploring Great Keppel Island.
Please arrive at 8:30am for your vessel induction so we can complete your safety briefing and get you out on the water to make the most of your full-day hire.
The Portless Trinity operates within its designated sheltered operating area between Fisherman’s Beach and Putney Beach, as outlined in the onboard operating map and safety briefing.
We strongly recommend bringing:
- Plenty of fresh drinking water
- Sun-safe clothing and sunscreen
- Towels and swimwear
- Food, snacks, and any personal items you may require throughout the day
Please note there are very limited freshwater resources available once you head out around the island, so arriving prepared is essential for a comfortable and enjoyable experience.
The Portless Trinity can accommodate up to 5 guests onboard.
If you have any questions before your booking, feel free to get in touch anytime — we’re always happy to help.
We look forward to welcoming you aboard for your Great Keppel Island adventure.
Kind regards,
GKI Boat Hire
