Drew Barrymore is apparently planning to marry boyfriend Justin Long.

The '50 First Dates' actress reportedly looked at possible wedding venues while enjoying a recent holiday at Mexico's Casa Magna hotel, on Tulum Beach.

Justin, 29, organized the romantic getaway as a 33rd birthday present for Drew, who reached the age on February 22.

A source is quoted on the Daily Mail website as saying: "Justin booked a cleanse package for her and they spent time having massages and doing yoga."

"The retreat hosts intimate weddings and Drew inquired how much it would cost for a private ceremony in the summer."

The couple started dating after meeting on the set of 'He's Just Not That Into You', and have been virtually inseparable ever since.

When recently quizzed by Oprah Winfrey about what he likes about Drew, Justin gushed: "She smells good. She's beautiful and funny, and she is the most compassionate person I've ever met."

Drew has been married twice before. In 1994, she was briefly married to Welsh bartender turned bar owner, Jeremy Thomas, while US comedian Tom Green filed for divorce in December 2001 after a six-month marriage. Drew and Tom legally separated in October 2002.