 | Cvjetna - Three Bedroom Hotel Istria | Without Official Category | | Umag |
 | Danilo - Two Bedroom Hotel Istria | Without Official Category | | Medulin |
 | Danilo - Two Bedroom No.2 Hotel Istria | Without Official Category | | Medulin |
 | Daymon - Four Bedroom Hotel Istria | Without Official Category | | Umag |
 | Degra Hotel Istria | 3.0 star rating | | Umag |
 | Delfin Hotel Istria | 2.0 star rating | 1600 | Porec |
 | Dianthus - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Dino - Five Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Dragica - Val 708 - One Bedroom Hotel Istria | Without Official Category | | Pula |
 | Dragica - Val 708 - One Bedroom No.2 Hotel Istria | Without Official Category | | Pula |
 | Dragica - Val 708 - Two Bedroom Hotel Istria | Without Official Category | | Pula |
| Dragon Fly - Six Bedroom Hotel Istria | Without Official Category | | Umag |
| Dragon Fly - Three Bedroom Hotel Istria | Without Official Category | | Umag |
| Dragon Fly - Three Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
 | Drinovac - One Bedroom Hotel Istria | Without Official Category | | Medulin |
 | Duga Uvala - One Bedroom Hotel Istria | Without Official Category | | Pula |
 | Duga Uvala - One Bedroom No.2 Hotel Istria | Without Official Category | | Pula |
 | Eden Hotel Istria | 4.0 star rating | 326 | Rovinj |
 | Elda - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Elena - Six Bedroom Hotel Istria | Without Official Category | | Medulin |
 | Eliana - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Eufemia - Four Bedroom Hotel Istria | Without Official Category | | Pula |
 | Eufemia - Six Bedroom Hotel Istria | Without Official Category | | Pula |
 | Family Hotel Amarin Istria | 4.0 star rating | 280 | Rovinj |
 | Fazana - Three Bedroom Hotel Istria | Without Official Category | | Pula |
 | Fazana - Three Bedroom No.2 Hotel Istria | Without Official Category | | Pula |
 | Fazana - Three Bedroom No.3 Hotel Istria | Without Official Category | | Pula |
 | Fazana - Three Bedroom No.4 Hotel Istria | Without Official Category | | Pula |
 | Fazana - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | File - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | File - One Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
 | File - One Bedroom No.3 Hotel Istria | Without Official Category | | Umag |
 | File - One Bedroom No.4 Hotel Istria | Without Official Category | | Umag |
 | File - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | File - Two Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
| Filipini Hotel Istria | 3.0 star rating | 8 | Porec |
 | Finida - Three Bedroom Hotel Istria | Without Official Category | | Umag |
| FKK Valalta Hotel Istria | 3.0 star rating | 2000 | Rovinj |
 | Fontana Hotel Istria | 3.0 star rating | 52 | Buzet |
 | Fontana - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Fontana - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | Fortuna Island Hotel Istria | 3.0 star rating | 187 | Porec |
 | Fragaria - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Fratrici - Three Bedroom Hotel Istria | Without Official Category | | Umag |
 | Funtana Resort Istria | 3.0 star rating | 220 | Funtana |
| Garden House - One Bedroom Hotel Istria | Without Official Category | | Medulin |
 | Gargamelo Restaurant & Gastro Hotel Istria | Pending Category | 16 | Porec |
 | Girandella Tourist Village Hotel Istria | 2.0 star rating | 353 | Rabac |
 | Grana - Two Bedroom Hotel Istria | Without Official Category | | Novigrad |
 | Grand Hotel Palazzo Istria | 4.0 star rating | 74 | Porec |