The photos and Snapchat videos show them riding around in golf carts and hitting the links while wearing swimming trunks. Fowler, 28, is the oldest golfer of the group, while Kaufman is 25. Spieth and Thomas are both 23.
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.
This year's #SBK17 continued an annual tradition for the group, who sink into the sands at Baker's Bay.
Kaufman was voted the MVP of #SB2K16, according to Golf.com.
The foursome is also enjoying the trip by watching Stepbrothers and eating Lucky Charms cereal, according to the plethora of Snapchat posts.
Fowler posted Tuesday that he wants fans to follow along for the adventure. The golfer referenced his @RickieFowler15 handle, @JLThomas34, and @Smylie_Kaufman.
The next tournament on the PGA Tour is the RBC Heritage from Thursday to Monday at Hilton Head, S.C. The next major tournament is the June 15 U.S. Open at Erin Hills in Erin, Wis.