They dub the Baker's Bay bash: #SB2K17. Their Snapchat posts even have their own custom filters.
During the week-long party, the group has eaten a lot of Lucky Charms, watched Step Brothers and Animal House, and enjoyed countless rounds of shirtless golf.
On Thursday, the foursome decided to jump off a massive yacht at Baker's Bay.
The young group continues to post photos and videos from their annual spring break trip on Snapchat, Instagram, and Twitter.
Spieth and Fowler tied for 11th place in the 2017 Masters Tournament after each carded a 287. Thomas shot a 290 for 22nd place. Kaufman didn't qualify.