Busy schedules were said to be to blame for the couple's split, with Koma away touring.
Prior to Koma Hilary dated personal trainer Jason Walsh, 41, for five months, but the two split in the autumn after being criticised for their choice of 'culturally inappropriate' Halloween costumes.
On Saturday, Duff and Komo were seen taking her rescue dog Momo out for some exercise.
The actress was biker chic in a black leather jacket over a gray top and she tied a blue shirt around her waist.
Originally from the college town of Ithaca, New York, solar energy consultant Ely is now based full time on the West Coast, where he is the CEO of his own company - SOLr Energy Consulting.
And it's clear from their behavior at the beach that Ely and Hilary are infatuated with one another.
Jason was The Talk guest co-host's first relationship since her divorce from Comrie.
while balancing life as a single mother — and making it all look easy. former child star jokes to PEOPLE of her growing son Luca, 5, whom she co-parents with ex-husband Mike Comrie. The two were seen packing on the PDA, kissing and hugging during their weekend in the sun while playing card games and goofing off in the water.I mean, this is like the third time that we've dated and I think that what [Gomez] says has so much merit to it. Hilary Duff spent time Sunday with the two loves of her life - son Luca, five, and boyfriend Matthew Koma.The hosts discuss Selena Gomez dating Justin Bieber again and whether they've ever reunited with a former love.Guest co-host Hilary Duff confesses, "I'm doing it right now." About reuniting with boyfriend Matthew Koma, she shares, "It's going so great. Between reputedly splitting from Matthew and getting back together with him, Hilary had been glimpsed passionately kissing businessman Ely Sandvik, whom she was at the time reportedly dating.