Historic spa town of Topusko with geothermal pools and a medical spa vibe. Drive-up access, quieter feel, but facilities can be basic, plan ahead.

Big indoor thermal water park in Krapinske Toplice near Zagreb, with multiple pools, waves, and sauna zones. Easy drive, busy weekends, pick calm hours.

Thermal spa and rehab complex in Varaždinske Toplice with indoor pools and treatments. Drive-up access from Zagreb or Varaždin, confirm pool status first.

Golf-and-wellness thermal resort in Međimurje near the Slovenia border, with indoor and outdoor pools. Easy drive, good for couples and families.

Thermal aquapark and hotel in Donja Stubica near Zagreb, with indoor and outdoor pools and wellness. Drive-up access, plan around schedules and lockers.

Thermal health resort in the Mirna canyon near Buzet, built for rehab and quiet soaking. Easy road access, but space is limited, plan ahead in peak season.

Thermal water park in Daruvar with indoor and outdoor pools and a simple day-pass setup. Drive-up access, bring sandals, and plan for busy weekends.

Large thermal resort near Zagreb with multiple pools and wellness, drive-up access, good for families and first-timers. Check pool availability before you go.