| Stefko - One Bedroom No.2 Hotel Istria | Without Official Category | | Pula |
| Stefko - One Bedroom No.3 Hotel Istria | Without Official Category | | Pula |
| Stefko - One Bedroom No.4 Hotel Istria | Without Official Category | | Pula |
 | Stella Maris - One Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
 | Stella Maris - One Bedroom No.3 Hotel Istria | Without Official Category | | Umag |
 | Stella Maris - One Bedroom No.4 Hotel Istria | Without Official Category | | Umag |
| Stella Maris Resort - Sol Stella Istria | 3.0 star rating | 575 | Umag |
 | Stella Maris - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | Stuartma - Four Bedroom Hotel Istria | Without Official Category | | Umag |
 | Studio Apartmani Laguna Bellevue Hotel Istria | 3.0 star rating | 95 | Porec |
 | Studio Maris*** - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Sunrise - Five Bedroom Hotel Istria | Without Official Category | | Medulin |
| Suzana Zei 538 - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Sv. Ivan 1 - Three Bedroom Hotel Istria | Without Official Category | | Umag |
 | Sweet Home - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Tena - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | Terra Bianca - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Terra Gialla - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Terra Grigia - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Terra Nera - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Terra Rossa - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Tiziana - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Tiziana - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | Tomas - Two Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Tomislav - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | Tomislav - Two Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
 | Tomislav - Two Bedroom No.3 Hotel Istria | Without Official Category | | Umag |
| Top - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | Valamar Bellevue Hotel & Residence Istria | 4.0 star rating | 154 | Rabac |
 | Valamar Club Tamaris Hotel Istria | 4.0 star rating | 319 | Porec |
 | Valamar Crystal Hotel Istria | 4.0 star rating | 223 | Porec |
 | Valamar Diamant Hotel Istria | 4.0 star rating | 244 | Porec |
 | Valamar Diamant Residence Hotel Istria | Residence | 128 | Porec |
 | Valamar Pinia Hotel Istria | 3.0 star rating | 170 | Porec |
 | Valamar Pinia Residence - One Bedroom Hotel Istria | Without Official Category | | Porec |
 | Valamar Pinia Residence - One Bedroom No.2 Hotel Istria | Without Official Category | | Porec |
 | Valamar Riviera & Villa Parentino Hotel Istria | 4.0 star rating | 105 | Porec |
 | Valamar Rubin Hotel Istria | 3.0 star rating | 258 | Porec |
 | Valamar Sanfior Hotel Istria | 4.0 star rating | 151 | Rabac |
 | Valamar Tamaris Villas Hotel Istria | 4.0 star rating | 85 | Porec |
 | Valamar Zagreb Hotel Istria | 4.0 star rating | 230 | Porec |
 | Valentin - One Bedroom Hotel Istria | Without Official Category | | Medulin |
 | Valentin - Two Bedroom Hotel Istria | Without Official Category | | Medulin |
| Valkanela Camping Hotel Istria | 3.0 star rating | | Funtana |
| Velanera Hotel Istria | 3.0 star rating | 13 | Medulin |
 | Vela Vrata Hotel Istria | 4.0 star rating | 18 | Buzet |
| Verbena - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Verudela Beach-Villa Resort Istria | 3.0 star rating | 194 | Pula |
 | Verudela - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | Verudica - Three Bedroom Hotel Istria | Without Official Category | | Pula |