 | Katoro - One Bedroom No.9 Hotel Istria | Without Official Category | | Umag |
| Kazela Resort Istria | 3.0 star rating | 965 | Medulin |
 | Kazun - One Bedroom Hotel Istria | Without Official Category | | Pula |
 | Kempinski Hotel Adriatic Istria | 5.0 star rating | 186 | Umag |
 | Ksenija - Four Bedroom Hotel Istria | Without Official Category | | Umag |
 | Ksenija - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Ksenija - One Bedroom No.2 Hotel Istria | Without Official Category | | Umag |
 | Ksenija - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | KuÄa Bura - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | KuÄa Dunja - One Bedroom Hotel Istria | Without Official Category | | Pula |
 | Ladonja - Three Bedroom Hotel Istria | Without Official Category | | Pula |
 | Laguna Albatros Hotel Istria | 4.0 star rating | 324 | Porec |
 | Laguna Bellevue - One Bedroom Hotel Istria | Without Official Category | | Porec |
 | Laguna Bellevue - One Bedroom No.2 Hotel Istria | Without Official Category | | Porec |
 | Laguna Bellevue - Two Bedroom Hotel Istria | Without Official Category | | Porec |
 | Laguna Gran Vista Hotel Istria | 3.0 star rating | 170 | Porec |
 | Laguna Istra Hotel Istria | 3.0 star rating | 400 | Porec |
 | Laguna Materada Hotel Istria | 3.0 star rating | 400 | Porec |
 | Laguna Mediteran Hotel Istria | 3.0 star rating | 322 | Porec |
 | Laguna Molindrio Hotel Istria | 4.0 star rating | 265 | Porec |
 | Laguna Parentium Hotel Istria | 3.0 star rating | 740 | Porec |
 | Laguna Park - One Bedroom Hotel Istria | Without Official Category | | Porec |
 | Laguna Park - Two Bedroom Hotel Istria | Without Official Category | | Porec |
 | La Madonnina - Five Bedroom Hotel Istria | Without Official Category | | Umag |
 | Lana - Four Bedroom Hotel Istria | Without Official Category | | Pula |
 | Lanterna - One Bedroom Hotel Istria | Without Official Category | | Porec |
 | Lanterna - One Bedroom No.2 Hotel Istria | Without Official Category | | Porec |
 | Lanterna - One Bedroom No.3 Hotel Istria | Without Official Category | | Porec |
 | Lanterna Rabac Hotel Istria | Apartment 2nd Category | 91 | Rabac |
 | Lanterna - Two Bedroom Hotel Istria | Without Official Category | | Porec |
 | Leila - One Bedroom Hotel Istria | Without Official Category | | Umag |
 | Leila - Two Bedroom Hotel Istria | Without Official Category | | Umag |
 | Leonardo - Five Bedroom Hotel Istria | Without Official Category | | Pula |
 | Ler - Four Bedroom Hotel Istria | Without Official Category | | Pula |
 | Lino - Three Bedroom Hotel Istria | Without Official Category | | Pula |
 | Lino - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | Ljiljana - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Ljiljana - One Bedroom Hotel Istria | Without Official Category | | Pula |
 | Ljiljana - Two Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Lone Hotel Istria | 5.0 star rating | 236 | Rovinj |
 | Lucija - Five Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Luna Bianca - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Luna Nera - Three Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Luna Rossa - Four Bedroom Hotel Istria | Without Official Category | | Rabac |
| Luxury boutique hotel "Villa Vulin" Hotel Istria | 5.0 star rating | 6 | Pula |
 | Mala Hiža - Two Bedroom Hotel Istria | Without Official Category | | Rabac |
 | Mandy - Two Bedroom Hotel Istria | Without Official Category | | Pula |
 | Mara - Five Bedroom Hotel Istria | Without Official Category | | Novigrad |
 | Marcana - Three Bedroom Hotel Istria | Without Official Category | | Pula |
| Mari House - Three Bedroom Hotel Istria | Without Official Category | | Pula |