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Experience Great Keppel Island from a completely different perspective aboard the Portless Trinity — a unique and spacious electric-powered trimaran designed for relaxed coastal exploration, swimming, and unforgettable days on the water.
Operating within the sheltered waters between Fisherman’s Beach and Putney Beach, the Portless Trinity offers a smooth and stable boating experience ideal for families, small groups, couples, and guests looking for a premium island adventure without the need for a boat licence.
With capacity for up to 5 guests, the Trinity provides ample space to stretch out, relax, swim, snorkel, or simply cruise the coastline at your own pace while taking in the stunning scenery of the Southern Great Barrier Reef.
Every hire includes a comprehensive safety induction prior to departure, with operations conducted within the designated Portless Trinity operating zone as outlined in the onboard operating map. The vessel is designed specifically for calm and sheltered conditions, allowing guests to safely enjoy Great Keppel Island’s protected bays and beaches in a simple and accessible way.
Optional extras including snorkel gear & bathyscopes are available to customise your adventure.
Departures operate from Fisherman’s Beach, Great Keppel Island. All hires are subject to daily weather and sea conditions to ensure a safe and enjoyable experience for all guests.
Whether you’re looking to spend a relaxing afternoon on the water, enjoy a scenic beach picnic, or create a memorable island experience with friends and family, the Portless Trinity offers a truly unique way to explore Great Keppel Island.
Thanks again for booking the Portless Trinity with GKI Boat Hire — we’re looking forward to welcoming you aboard.
For your Half Day Hire, please arrive at your scheduled session time so we can complete your vessel induction and get you out on the water to make the most of your experience.
Session arrival times are:
- Morning Half Day Hire: 8:30am
- Afternoon Half Day Hire: 12:30pm
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.
A few things we strongly recommend bringing with you:
- Plenty of fresh drinking water
- Sun-safe clothing and sunscreen
- Towels and swimwear
- Hats and sunglasses
- Food, snacks, and any personal items you may need throughout your adventure
Please note there are very limited freshwater resources available once you head out around the island, so arriving prepared is important for a safe and enjoyable day on the water.
The Portless Trinity can accommodate up to 5 guests onboard.
If you have any questions prior to your booking, please don’t hesitate to get in touch — we’re always happy to help.
We look forward to seeing you soon.
Kind regards,
GKI Boat Hire
