Over the years, the loving pair have been photographed basking in the sunshine, not only near their palatial oceanfront properties, but on some impressive vacations too.
With the sun, sea and sand at their fingertips thanks to the dreamy life on some of the world's best beaches, it's no wonder Keely, 62, always manages to look effortlessly chic in her beachwear, while the James Bond actor loves showing off his fit physique in his 70s.
Pierce and Keely have been married since 2001 and he's her biggest fan, often calling her "the most beautiful woman". Here are some of the dreamiest photos of their idyllic beach life.
They have raised five children together - their two grown sons, Dylan and Paris, and Pierce's three older children from his previous marriage - and Pierce cherishes everything about his wife.
"In the past, I truly loved her for her person, not only for her beauty, and now I’m loving her even more that she is my children’s mother," he said. "And I am very proud of her, and I always seek to be worthy of her love."
Pierce has praised Keely’s nurturing nature, noting that his fatherly instincts are purely his own. He has often highlighted her as a "fierce advocate" and a "strong, intelligent, and compassionate" partner.
The couple met on April 8 1994 and married on August 4 2001at Ballintubber Abbey, in Pierce's native Ireland.
On their 20th wedding anniversary, Kelly shared a snap of herself wearing a tiara with her husband, writing: "Still the one! Happy 20th wedding anniversary @piercebrosnanofficial Thank you for the gift of your love and friendship. The world is more beautiful with you in it! 4-8-94 / 8-4-2001."
They're lucky enough to split their time between two beautiful places
Hawaii life
They keep a low profile in Hawaii, but often share the stunning vistas with fans. With palm trees swaying in the wind, cloudless sky and white sandy beaches Keely's "true blue" statement about where they live couldn't be more true.
They spent ten years transforming their Malibu beach mansion and it is truly spectacular.
Being by the sea is a huge part of Pierce's life. "Water has always been a part of my joy and my existence,” he told Gentleman's Journal.
“I grew up on a river on the banks of the the River Boyne, in Navan, County Meath. And I have fond memories of the seaside. It was a fair distance away, but we would travel, nevertheless, to the beaches in Galway.
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“So, when I dropped into America in the 1980s, there was only one place to be — and that was on the coast," he added. "L.A. just didn’t hold the same magic for me as the Malibu coastline. I need the water. I need to be beside the ocean."
The prolific composer and the American idol alum live in a Brentwood Park home in Los Angeles, where they recently hosted a fundraiser for Spencer Pratt