Head from Fremantle to Rottnest Island for two boat dives and snorkel access among limestone caverns and soft coral walls. This full-day trip includes gear use, lunch, and on-board refreshments—ideal for certified divers and snorkelers seeking dramatic underwater formations close to Perth.
More ways to explore the area's outdoor wonders
A salt scent and the slap of wake against fibreglass usher you from Fremantle’s marina onto a twin-deck catamaran bound for Rottnest. The island slides into view as a low, honey-coloured ridge; beneath the surface, jagged limestone caves and swim-throughs wait, carved by the Indian Ocean’s current.
Difficulty
moderate
Duration
8 hours
Fitness Level
Moderate fitness—able to climb boat ladders, manage kit, and handle two dives; snorkelers need basic swim ability
Wildlife
History
Rottnest has long maritime relevance—charted by Dutch sailors in the 17th century—and today is managed as a reserve balancing tourism and conservation.
Conservation
Operators collect marine reserve fees and follow site restrictions; avoid contacting coral and follow guide instructions to reduce impact.
Reserve your spot on the Rottnest Island Boat Dive Day Trip including Lunch today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a spare air cylinder or pre-book one
One air cylinder is included; if you plan two dives bring or reserve a second cylinder to avoid delays.
Dress for sun and spray
Wear UV-protective clothing and a light windbreaker for the ride; sea reflection can intensify sun exposure.
Secure seasickness remedies
If you’re prone to motion sickness, take medication the night before or bring wristbands—boat motion on the crossing can be brisk.
Follow briefing and marine rules
Listen closely to the dive brief and never touch coral or handle marine life to protect fragile habitats.
Wetsuit (3/2–5/4mm)
Keeps you comfortable in cooler Indian Ocean temperatures and provides abrasion protection in caves.
Dive computer or depth gauge
Tracks no-decompression limits and ascent rate for safe multi-dive planning.
Sun-protective layers and hat
Protects skin on the exposed deck during transit and between dives.
summer
Sea-stable daypack or dry bag
Keeps camera, phone and spare clothes dry while on deck and during transfers.