2025-09-03 00:00:00 Ostrovok! Extranet is an application designed to efficiently manage bookings from Ostrovok sites, serving over 20 million users monthly! The user-friendly app offers all the necessary administrative functions for hoteliers. You can quickly edit availability, track reservations across all Extranet registered sites, view invoices without checking your mail, and even communicate directly with guests. Designed to support a wide range of accommodations, from boutique apartments to luxury resort hotels, Ostrovok Extranet is already the preferred partner for over 90,000 hotels globally. Join us and streamline your booking management today! Manage Your Properties