At 5:30am the Starbucks line can reach your gate.
This SJU Starbucks sits post-security in the main departures concourses, near the central gate clusters in Terminals A and B. Rating sits around 4.5 stars on Google, but reviews read like a warning label: 20–30 minutes in line is normal during the 5:00–7:00am departure bank. Price tier is standard Starbucks "$" — expect roughly $3–$6 for coffee and $4–$7 for breakfast items.
Hours track the first and last waves of flights, with doors typically open before 5:00am and running through the late afternoon boarding banks in A and B. This is basically the only reliable espresso option past security, so anyone wanting a latte or flat white ends up here. One reviewer clocked 25 minutes for a latte at 5:30am, with the line stretching almost to their gate.
Drinks follow the standard Starbucks menu: iced shaken espressos, caramel macchiatos, cold brew, and the seasonal specials. Expect your usual sizes and syrups, just executed under pressure. Regulars say basic hot coffee or an iced latte is less likely to get botched when the baristas are slammed, while complicated custom orders tend to come out inconsistent during those early banks.
Food is hit-or-miss after about 9:00am. Several reviews mention breakfast sandwiches and some pastry items showing as "out" on the menu board late morning. If you want a bacon gouda or sausage & cheddar sandwich, grab it with your first coffee run rather than banking on a second trip before a noon departure.
Mobile order is tricky here: travellers report that app ordering is sometimes disabled or simply ignored during rush periods. Regulars flying out on 6:00–7:00am departures often grab coffee at their hotel or landside, or send one person to stand in the Starbucks line right after clearing security while the rest of the group holds seats at the gate. Tip: if you see the line past 15 people, assume at least a 20-minute wait and plan boarding time accordingly.