And the 56-year-old has opted for a trip that involves solely the women of the family, as she's been joined in Los Cabos, Mexico by daughters Katherine, 22, and Christina, 20.
The former governor of California, who is still in his erstwhile kingdom, would surely have loved a place in their contingent... if only to see THIS incredible swimsuit.
Isn't she lovely? Maria Shriver looked stunning in this stylish black bather as she relaxed in Los Cabos, Mexico today
The Kennedy family member took a leaf out of her late step-aunt Jackie O's book by donning a classic black swimsuit that was retro in style with a plunging neckline.
Sadly, the brunette - who called JFK uncle - could've done with paying homage to her aunt's large black glasses to complete the look, perhaps with tightly wound back hair.
The baseball cap and messy mane did seem to detract from Maria's glamorous look, after all.
I'll be black! Maria's choice of colour was stylish, though her baseball cap didn't quite go
But it still seems that Arnold has a long way to go to be able to spend time like this with the talented and comely goddess he so spectacularly humiliated.
Just a fortnight ago there were rumours that they were working on saving their marriage, despite salacious revelations of Arnold Schwarzenegger's love child last year.
But last week her husband maintained that they are still going through the divorce.
'We work together even though we're going through a divorce,' the 64-year-old told Extra. 'Luckily, Maria has been a terrific mother.'
Holding back the years: Arnold is said to be in the market for a reconciliation, and who can blame him?
An insider also confirmed Arnold's comments, telling Us Weekly: 'But despite the happy front the two put on, an insider told Us Weekly that Schwarzenegger and Shriver 'are not reconciling and not in counselling.'
The source added: 'They will continue to be seen together because of their family.'
The estranged couple, who married in 1986, have four children together: Katherine, 22, Christina, 20, Patrick, 18, and Christopher, 14.
Plunging: Maria's neckline would be daring anyway, but especially for a woman of her age... she looks incredible, however
Last week, the estranged couple were seen smiling coyly as they left the upscale Ivy restaurant for a late lunch by the ocean.
The Terminator star, 64, and his estranged wife, 56, looked very close during their outing in Santa Monica.
It was claimed wife Maria may be prepared to give the marriage a second chance as she can’t bear the thought of divorce for religious reasons.
A source told the New York Post: 'Arnold and Maria are having marriage counselling to work through their issues to get back together.
Staunch Catholic: Maria accessorised with a cross around her neck to symbolise her faith
Maria filed for divorce on July 1, about six weeks after it emerged Arnold had fathered a lovechild with maid Mildred Baena 14 years earlier.
'He is promising the moon and telling Maria he has completely changed his ways,' another friend of the couple said.
'Maria’s friends are warning her to be careful, saying he’ll never change.
'Arnold is desperate to win her back, mostly because he realises he can’t live without her.'
Hot mama! Maria took her children for lunch last week, pictured here Patrick and Christina
Their outing was a significant sign that Arnold, who last year admitted to fathering a child with the former couple's housekeeper whilst they were married, is growing closer to his wife again.
Always looking her best: Maria looked elegant as ever at the meal held at R&D restaurant in Brentwood
Later Schwarzenegger made a chivalrous gesture by taking one of his official Governor's jackets from the back of his car and put it around Maria's shoulders.
Maria recently moved into a $12.2million mansion in Los Angeles.
Last month, moving vans were spotted moving beds and furniture in for around 10 hours outside the exclusive Brentwood home.
The house in Brentwood boasts a swimming pool and secure parking.
Security were spotted installing and checking security cameras around the house, and installing a higher driveway gate for added security.
Maria snapped up the home six months ago, just days after filing for divorce from Arnold and it is located just a few miles down the road from the home they once both shared.
The house was completely refurbished before Maria moved in and boasts over 11,000 square feet and has eight bedrooms and seven baths.
Additional features include a three-car garage, a gym, theatre room and a wine cellar.
Pictures were released of the property before it was refurbished several months ago.
Arnold is said to be worth between $500 million and $700 million meaning that Maria could walk away with up to $350 million when the divorce is finalised.