The crystal-clear waters around Rottnest Island shimmered under the Saturday morning sun on May 17, 2026, as they had for countless weekends before. Families splashed in the shallows, tourists snapped photos of the iconic lighthouse, and adventure seekers chased the thrill of the ocean. But just after 9:55 a.m., about one kilometer offshore at Horseshoe Reef, that serene paradise turned into a scene of unimaginable horror. A massive great white shark, estimated at four to five meters long, struck with lethal precision.

Steven “Mattas” Mattaboni, a 38-year-old surveyor from Perth, was in the middle of a friendly spearfishing outing with three close mates when the predator attacked. Experienced, passionate, and deeply attuned to the sea he loved, Steven never saw it coming. His friends watched in terror as the shark clamped onto his lower leg, dragging him under in a frenzy of blood and bubbles. They acted instantly—hauling him aboard their boat, applying pressure to the wound, and racing toward Geordie Bay Jetty while performing desperate CPR. Paramedics and police continued the fight for over 30 minutes on shore, a helicopter hovering overhead, but the injuries were too severe. Steven was pronounced dead at the scene.

Back home in Perth, Shirene Mattaboni, a 33-year-old clinical nurse specialist at Royal Perth Hospital, was preparing for what should have been an ordinary family day. The couple’s two young daughters—one turning three next month, the other just four months old—were waiting for their dad. Steven had promised to return early, his cooler packed with fresh catch from the sea, ready to turn it into a special family meal. “He always said the ocean provided for us,” Shirene would later reflect in quiet moments. But that promise was never kept.

In the hours that followed, as news of the attack spread like wildfire across Western Australia, Shirene’s world collapsed. Friends who had been with Steven delivered the devastating news. What followed was a raw, guttural outpouring of grief that has since touched hearts around the globe. Shirene, still in her nursing scrubs from an earlier shift, clutched their baby daughter to her chest while their toddler asked repeatedly for “Daddy.” Through tears that seemed endless, she whispered words that now echo as the heartbreaking core of this tragedy: “He promised he would come home early with the fruits of his labor from the sea. ‘Wait for me,’ he said with that smile of his. ‘We’ll eat together as a family tonight.’ Please, my love, come back to us. The girls are waiting. I’m waiting.”

Those words, spoken amid sobs in the privacy of their home before being shared with loved ones, capture the intimate devastation of a young wife suddenly thrust into widowhood. Shirene’s public statement, released on Sunday, May 18, painted a fuller portrait but could never fully convey the private agony. “Our hearts are irrevocably broken by the loss of Steven, known affectionately to his mates as ‘Mattas,’” she wrote. “Steven was a devoted father to our two beautiful daughters—one who turns three next month and our four-month-old baby. An avid fisherman and spearfisherman, who lived and breathed the ocean, he was always in tune with the sea. He was fiercely loyal, endlessly generous, and the kind of man who would give you the shirt off his back. The world has lost a truly one-of-a-kind gentleman, and our daughters have lost an incredible father far too soon.”

thewest.com.au

Hearts irrevocably broken’: Family pays tribute to Rottnest shark attack victim | The West Australian

This family photo, one of many now circulating online, shows Steven, Shirene, and their daughters bathed in a golden sunset glow by the water—symbolizing the life they built around the ocean he adored. In another inset, Steven proudly holds a large fish, his wetsuit still wet from a successful dive. These images, once joyful mementos, now serve as painful reminders of what was stolen in an instant.

The Man Behind the Name: A Life Defined by Passion and Devotion

Steven Mattaboni wasn’t just another statistic in Australia’s long history of shark encounters. He was a man who embodied the spirit of Western Australia’s coastal communities. Born and raised in Perth, he worked as a surveyor, a job that kept him connected to the land but his true calling was always the water. As secretary of the Bluewater Freedivers WA club, he organized spearfishing trips, mentored younger enthusiasts, and championed responsible ocean practices. Friends described him as the guy who would stay late to help pack gear, the one whose laugh could be heard across the waves, and the husband who never missed a bedtime story.

“He lived and breathed the ocean,” Shirene emphasized in her tribute. For Steven, spearfishing wasn’t merely a hobby—it was meditation, a way to provide for his family, and a connection to something greater. On that fateful Saturday, the group was participating in a low-key competition among friends, nothing extreme, just the kind of outing they had done dozens of times. Horseshoe Reef, known for its rich marine life and relatively sheltered waters, had always felt safe. That illusion shattered when the great white appeared.

abc.net.au

Man dead after Rottnest Island shark attack – ABC News

The reef, marked clearly on maps just northwest of Rottnest Island’s main settlement, lies in waters that draw thousands of visitors yearly. Its turquoise shallows hide deeper channels where larger predators patrol. Authorities later confirmed the shark was likely a mature great white, a species whose presence has increased in recent years due to environmental shifts, seal populations, and changing ocean temperatures. This was Western Australia’s first fatal shark attack of 2026, adding urgency to ongoing debates about marine safety.

Shirene’s Agony: A Nurse’s Strength Tested to the Limit

As a clinical nurse specialist, Shirene Mattaboni has spent her career comforting families in crisis, delivering bad news with compassion, and fighting for patients’ lives. On May 17, she became the patient—the one needing comfort. Colleagues at Royal Perth Hospital rallied around her immediately, but nothing could prepare her for the role reversal.

In the days since, those close to the family have shared glimpses of her grief. One friend recounted how Shirene sat by the window that first night, staring at the empty driveway where Steven’s truck should have pulled up. “She kept replaying his last kiss goodbye,” the friend said. “He hugged the girls extra tight that morning. ‘Daddy’s bringing home dinner,’ he told them. She keeps whispering that promise back to the empty room.”

The quote that has resonated most deeply—”He promised to come home early with the fruits of his labor… please wait for him”—has become a viral refrain on social media. It humanizes the tragedy beyond headlines, reminding readers that behind every shark attack story is a family dinner never eaten, laughter never shared, and futures rewritten in sorrow. Shirene has spoken privately of the small rituals now fractured: Steven’s habit of singing silly songs to their toddler while changing the baby’s diaper, his late-night talks about dreams for their girls, his unwavering support as she balanced demanding shifts at the hospital.

“I don’t know how to do this without him,” Shirene confided to a close relative, tears streaming as she rocked their infant. The four-month-old, too young to understand, senses the shift in her mother’s embrace. The toddler asks for Daddy constantly, clutching a toy boat he bought her. These intimate moments reveal the true cost of the ocean’s unforgiving nature—a cost Shirene bears with a nurse’s resilience but a wife’s broken heart.

Community Outpouring: Tributes from Near and Far

News of the attack spread rapidly. Western Australian Premier Roger Cook, Police Minister Reece Whitby, and the Australian Underwater Federation issued statements of condolence. Steven’s football club, Kingsley, posted emotional tributes highlighting his camaraderie on and off the field. Spear fishing communities across Australia shared stories of his generosity—loans of equipment, tips on safe diving, and endless encouragement.

On platforms like Facebook, Instagram, and X, thousands have shared the family photos, lighting virtual candles and posting messages of support. “A true gentleman taken by the sea he loved,” one commenter wrote. TikTok videos featuring ocean soundtracks and clips of Rottnest’s beauty have amassed millions of views, many ending with Shirene’s statement overlaid in text. Reddit threads in r/australia and r/sharks debate safety measures—drone surveillance, drum lines, education—while emphasizing respect for the ocean’s power.

Yet amid the noise, Shirene has requested privacy for her young family. “Thank you for the love and support,” her statement concluded. “We are focusing on our girls and honoring Steven’s memory in the way he would want— with love, not fear.”

The Broader Context: Sharks, Safety, and the Australian Coastline

This tragedy occurs against a backdrop of increasing human-shark interactions. Climate change, overfishing of prey species, and recovering white shark populations have brought these apex predators closer to popular beaches. Rottnest Island, a short ferry ride from Fremantle, attracts over 500,000 visitors annually for its quokkas, beaches, and diving. While fatal attacks remain rare—fewer than a handful per year nationally—the psychological impact is profound.

Experts note that spearfishing, involving blood in the water and diver movement, carries inherent risks. Steven knew this; he was experienced and safety-conscious. His friends, traumatized but alive, have vowed to advocate for better awareness. One companion, speaking anonymously, described the moment: “It was over so fast. Mattas was right there, then… chaos. We owe it to him to make sure others understand the ocean demands respect.”

Authorities have urged caution around Geordie Bay and Horseshoe Reef but have not closed the area entirely. Beach patrols continue, and coronial inquiries are underway. For Shirene, these discussions feel distant. Her focus remains visceral and immediate: shielding her daughters, processing the sudden void, and finding strength in memories.

A Legacy That Endures: Lessons from a Life Well-Lived

As the sun sets over Perth’s coastline in the days following the attack, families continue their rituals—fathers returning with catches, children playing in the sand. For the Mattabonis, those scenes now bring both comfort and pain. Steven’s legacy, friends say, lies in his example: a man who pursued passion while prioritizing family, who gave freely, and who found harmony with nature even in its dangers.

Shirene has begun the unimaginable task of planning a celebration of life. She imagines stories shared around a bonfire by the sea, the girls growing up hearing how their father was a hero in everyday ways. “He taught us to love deeply,” she has said in quieter moments. “Even now, in this pain, I feel his presence urging us forward.”

The ocean that took Steven Mattaboni also shaped him. It provided the “fruits of his labor” he so eagerly wanted to share that Saturday. In mourning him, Shirene and their daughters carry forward that love—for each other, for the sea’s beauty and power, and for the promises that, though broken by tragedy, echo eternally in their hearts.

In the end, this story is not just about a shark attack. It is about a husband’s final dive, a wife’s shattering grief, and a family’s resolve to heal. “Wait for him,” Shirene whispered through her tears. Though he cannot return physically, Steven Mattaboni’s spirit sails on in the waves, in the laughter of his daughters, and in the enduring love that no ocean can claim.