diff --git a/modules/adminBookings/index.js b/modules/adminBookings/index.js
index f136b67..6fbc8b6 100644
--- a/modules/adminBookings/index.js
+++ b/modules/adminBookings/index.js
@@ -147,7 +147,11 @@ function updateBookingRoom(req, res) {
                 const totalGuests = (booking.adults || 0) + (booking.children || 0);
                 calculateNightPrices(room.type, booking.checkin_date, booking.checkout_date, (err, baseSum) => {
                     if (err) return res.status(400).json({ error: err.message });
-                    const basePrice = baseSum * Math.max(1, totalGuests);
+                    let basePrice = baseSum;
+                    if (totalGuests > (room.max_guests || 99) && room.extra_beds > 0) {
+                        const nights = config.calculateNights(booking.checkin_date, booking.checkout_date);
+                        basePrice += (totalGuests - (room.max_guests || 99)) * room.extra_bed_price * nights;
+                    }
                     const discountAmount = Math.round(basePrice * (booking.discount_percent || 0) / 100);
                     const totalPrice = basePrice - discountAmount;
                     
@@ -307,17 +311,29 @@ function updateBookingDetails(req, res) {
             if (!roomType) {
                 return finishUpdate();
             }
-            calculateNightPrices(roomType, finalCheckin, finalCheckout, (err, baseSum) => {
-                if (err) return res.status(500).json({ error: err.message });
-                const basePrice = baseSum * totalGuests;
-                const discountPercent = row.discount_percent || 0;
-                const discountAmount = Math.round(basePrice * discountPercent / 100);
-                const totalPrice = basePrice - discountAmount;
-                db.run(`UPDATE bookings SET base_price = ?, discount_amount = ?, total_price = ? WHERE id = ?`,
-                    [basePrice, discountAmount, totalPrice, bookingId], (err) => {
-                        if (err) return res.status(500).json({ error: 'Database error' });
-                        finishUpdate();
-                    });
+            db.get(`SELECT max_guests, extra_beds, extra_bed_price FROM rooms WHERE type = ? AND is_active = 1 LIMIT 1`,
+                [roomType], (err, rm) => {
+                if (err) return res.status(500).json({ error: 'Database error' });
+                const roomMax = rm ? rm.max_guests : 99;
+                const roomExtraBeds = rm ? rm.extra_beds : 0;
+                const roomExtraBedPrice = rm ? rm.extra_bed_price : 0;
+
+                calculateNightPrices(roomType, finalCheckin, finalCheckout, (err, baseSum) => {
+                    if (err) return res.status(500).json({ error: err.message });
+                    const nights = config.calculateNights(finalCheckin, finalCheckout);
+                    let basePrice = baseSum;
+                    if (totalGuests > roomMax && roomExtraBeds > 0) {
+                        basePrice += (totalGuests - roomMax) * roomExtraBedPrice * nights;
+                    }
+                    const discountPercent = row.discount_percent || 0;
+                    const discountAmount = Math.round(basePrice * discountPercent / 100);
+                    const totalPrice = basePrice - discountAmount;
+                    db.run(`UPDATE bookings SET base_price = ?, discount_amount = ?, total_price = ? WHERE id = ?`,
+                        [basePrice, discountAmount, totalPrice, bookingId], (err) => {
+                            if (err) return res.status(500).json({ error: 'Database error' });
+                            finishUpdate();
+                        });
+                });
             });
             function finishUpdate() {
                 db.get(`SELECT b.*, p.code as promocode_code, r.name as room_name
@@ -353,18 +369,29 @@ function validatePromocodeAPI(req, res) {
         if (err) return res.status(500).json({ error: 'Database error' });
         if (!promo) return res.status(404).json({ error: 'Invalid or expired promocode' });
         const guestsCount = parseInt(guests) || 1;
-        calculateNightPrices(room_type, checkin, checkout, (err, baseSum) => {
-            if (err) return res.status(400).json({ error: err.message });
-            const basePrice = baseSum * guestsCount;
-            const discountAmount = Math.round(basePrice * promo.discount_percent / 100);
-            const totalPrice = basePrice - discountAmount;
-            res.json({
-                valid: true,
-                discount_percent: promo.discount_percent,
-                base_price: basePrice,
-                discount_amount: discountAmount,
-                total_price: totalPrice,
-                code: promo.code
+        db.get(`SELECT max_guests, extra_beds, extra_bed_price FROM rooms WHERE type = ? AND is_active = 1 LIMIT 1`,
+            [room_type], (err, rm) => {
+            if (err) return res.status(500).json({ error: 'Database error' });
+            const roomMax = rm ? rm.max_guests : 99;
+            const roomExtraBeds = rm ? rm.extra_beds : 0;
+            const roomExtraBedPrice = rm ? rm.extra_bed_price : 0;
+            calculateNightPrices(room_type, checkin, checkout, (err, baseSum) => {
+                if (err) return res.status(400).json({ error: err.message });
+                let basePrice = baseSum;
+                if (guestsCount > roomMax && roomExtraBeds > 0) {
+                    const nights = config.calculateNights(checkin, checkout);
+                    basePrice += (guestsCount - roomMax) * roomExtraBedPrice * nights;
+                }
+                const discountAmount = Math.round(basePrice * promo.discount_percent / 100);
+                const totalPrice = basePrice - discountAmount;
+                res.json({
+                    valid: true,
+                    discount_percent: promo.discount_percent,
+                    base_price: basePrice,
+                    discount_amount: discountAmount,
+                    total_price: totalPrice,
+                    code: promo.code
+                });
             });
         });
     });
diff --git a/modules/bookings/index.js b/modules/bookings/index.js
index 5c31469..77fa521 100644
--- a/modules/bookings/index.js
+++ b/modules/bookings/index.js
@@ -112,9 +112,28 @@ function createBooking(req, res) {
             });
         }
 
-        calculateNightPrices(roomType, checkin, checkout, (err, baseSum) => {
-            if (err) return res.status(400).json({ error: err.message });
-            const basePrice = baseSum * (parseInt(adults) || 1);
+        db.get(`SELECT max_guests, extra_beds, extra_bed_price FROM rooms WHERE type = ? AND is_active = 1 LIMIT 1`,
+            [roomType], (err, roomRow) => {
+            if (err) return res.status(500).json({ error: 'Database error' });
+            const roomMax = roomRow ? roomRow.max_guests : 99;
+            const roomExtraBeds = roomRow ? roomRow.extra_beds : 0;
+            const roomExtraBedPrice = roomRow ? roomRow.extra_bed_price : 0;
+            const adultsCount = parseInt(adults) || 1;
+
+            if (adultsCount > roomMax && roomExtraBeds === 0) {
+                return res.status(400).json({ error: `Максимум ${roomMax} гостей для этого типа номера` });
+            }
+            if (adultsCount > roomMax + 1) {
+                return res.status(400).json({ error: `Максимум ${roomMax + 1} гостей (включая доп. место)` });
+            }
+
+            calculateNightPrices(roomType, checkin, checkout, (err, baseSum) => {
+                if (err) return res.status(400).json({ error: err.message });
+                let basePrice = baseSum;
+                if (adultsCount > roomMax && roomExtraBeds > 0) {
+                    const nights = config.calculateNights(checkin, checkout);
+                    basePrice += (adultsCount - roomMax) * roomExtraBedPrice * nights;
+                }
 
             validatePromocode(promocode, (err, promo) => {
                 if (err) return res.status(500).json({ error: 'Database error' });
@@ -156,6 +175,7 @@ function createBooking(req, res) {
             });
         });
     });
+});
 }
 
 function getBookings(req, res) {
diff --git a/public/css/style.css b/public/css/style.css
index dfce029..5b972d7 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -1395,6 +1395,13 @@ h1, h2, h3, h4 {
   box-shadow: 0 10px 30px rgba(10,77,104,0.3);
 }
 
+/* Extra bed option in guest select */
+select option[data-extra="1"] {
+  background: #fef3e2;
+  color: #92400e;
+  font-weight: 600;
+}
+
 /* Floating phone button */
 .float-phone {
   position: fixed;
diff --git a/public/js/main.js b/public/js/main.js
index 980dba1..b264224 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -116,7 +116,7 @@ document.querySelectorAll('.btn-book').forEach(btn => {
   });
 });
 
-function updateGuestOptionsDynamic(roomType, maxGuests) {
+function updateGuestOptionsDynamic(roomType, maxGuests, extraBeds = 0, extraBedPrice = 0) {
   const guestsSelect = document.querySelector('[name="guests"]');
   if (!guestsSelect) return;
   
@@ -126,16 +126,21 @@ function updateGuestOptionsDynamic(roomType, maxGuests) {
     let text = rt(key, i === 1 ? '1 гость' : (i < 5 ? i + ' гостя' : i + ' гостей'));
     options.push(`<option value="${i}">${text}</option>`);
   }
+  if (extraBeds > 0 && extraBedPrice > 0) {
+    options.push(`<option value="${maxGuests + 1}" data-extra="1">${maxGuests + 1} гостя + доп. место (+${extraBedPrice} ₽/ночь)</option>`);
+  }
   
   guestsSelect.innerHTML = options.join('');
 }
 
-window.updateRoomPricesData = function(prices, maxGuests) {
+window.updateRoomPricesData = function(prices, maxGuests, extraBeds, extraBedPrices) {
   Object.assign(ROOM_PRICES, prices);
   Object.assign(ROOM_MAX_GUESTS, maxGuests);
+  if (extraBeds) Object.assign(ROOM_EXTRA_BEDS, extraBeds);
+  if (extraBedPrices) Object.assign(ROOM_EXTRA_BED_PRICES, extraBedPrices);
 };
 
-function updateGuestOptions(room) {
+function updateGuestOptions(room, extraBeds = 0, extraBedPrice = 0) {
   const guestsSelect = document.querySelector('[name="guests"]');
   if (!guestsSelect) return;
   
@@ -146,6 +151,9 @@ function updateGuestOptions(room) {
     let text = rt(key, i === 1 ? '1 гость' : (i < 5 ? i + ' гостя' : i + ' гостей'));
     options.push(`<option value="${i}">${text}</option>`);
   }
+  if (extraBeds > 0 && extraBedPrice > 0) {
+    options.push(`<option value="${maxGuests + 1}" data-extra="1">${maxGuests + 1} гостя + доп. место (+${extraBedPrice} ₽/ночь)</option>`);
+  }
   
   guestsSelect.innerHTML = options.join('');
 }
@@ -184,6 +192,8 @@ function hideGuestOptionsUpdate() {}
 // Price calculation
 const ROOM_PRICES = { '2x-местный': 1500, '3х-местный': 2000, 'Семейный': 3000, 'Люкс': 4500 };
 const ROOM_MAX_GUESTS = { '2x-местный': 2, '3х-местный': 3, 'Семейный': 4, 'Люкс': 4 };
+const ROOM_EXTRA_BEDS = {};
+const ROOM_EXTRA_BED_PRICES = {};
 let currentPromocodeData = null;
 
 function calculateNights(checkin, checkout) {
@@ -254,7 +264,14 @@ async function checkPromocode() {
     }
 
     const guests = parseInt(document.querySelector('[name="guests"]').value) || 1;
-    const basePrice = ROOM_PRICES[room] ? ROOM_PRICES[room] * guests * calculateNights(checkin, checkout) : 0;
+    const nightCount = calculateNights(checkin, checkout);
+    const maxGuests = ROOM_MAX_GUESTS[room] || 4;
+    const extraBeds = ROOM_EXTRA_BEDS[room] || 0;
+    const extraBedPrice = ROOM_EXTRA_BED_PRICES[room] || 0;
+    let basePrice = ROOM_PRICES[room] ? ROOM_PRICES[room] * nightCount : 0;
+    if (guests > maxGuests && extraBeds > 0) {
+        basePrice += (guests - maxGuests) * extraBedPrice * nightCount;
+    }
 
     if (!promocode) {
         updatePriceDisplay(basePrice, 0, 0, basePrice);
diff --git a/public/js/rooms-public.js b/public/js/rooms-public.js
index 44ac86a..1bf84d1 100644
--- a/public/js/rooms-public.js
+++ b/public/js/rooms-public.js
@@ -113,7 +113,7 @@ function renderRoomsPublic(rooms) {
                                 <span class="amount">${rt('rooms.from', 'от')} ${room.price_per_night || 0} ₽</span>
                                 <span class="period"> ${rt('rooms.per_night', '/ ночь')}</span>
                             </div>
-                            <button class="btn-book" data-bs-toggle="modal" data-bs-target="#bookingModal" data-room-id="${room.id}" data-room-type="${room.type}" data-room-name="${escapeHtml(room.name)}" data-max-guests="${room.max_guests}">${rt('rooms.book', 'Забронировать')}</button>
+                             <button class="btn-book" data-bs-toggle="modal" data-bs-target="#bookingModal" data-room-id="${room.id}" data-room-type="${room.type}" data-room-name="${escapeHtml(room.name)}" data-max-guests="${room.max_guests}" data-extra-beds="${room.extra_beds || 0}" data-extra-bed-price="${room.extra_bed_price || 0}">${rt('rooms.book', 'Забронировать')}</button>
                         </div>
                     </div>
                 </div>
@@ -180,12 +180,16 @@ function applyCarouselFrame(index, images) {
 function updateRoomPrices(rooms) {
     const prices = {};
     const maxGuests = {};
+    const extraBeds = {};
+    const extraBedPrices = {};
     rooms.forEach(room => {
         prices[room.type] = room.price_per_night;
         maxGuests[room.type] = room.max_guests;
+        extraBeds[room.type] = room.extra_beds || 0;
+        extraBedPrices[room.type] = room.extra_bed_price || 0;
     });
     if (window.updateRoomPricesData) {
-        window.updateRoomPricesData(prices, maxGuests);
+        window.updateRoomPricesData(prices, maxGuests, extraBeds, extraBedPrices);
     }
 }
 
@@ -196,9 +200,11 @@ function initRoomBookingHandlers() {
             const roomType = this.getAttribute('data-room-type');
             const roomName = this.getAttribute('data-room-name');
             const maxGuests = parseInt(this.getAttribute('data-max-guests')) || 4;
+            const extraBeds = parseInt(this.getAttribute('data-extra-beds')) || 0;
+            const extraBedPrice = parseInt(this.getAttribute('data-extra-bed-price')) || 0;
             document.getElementById('selectedRoom').value = roomType;
             document.getElementById('selectedRoomId').value = roomId;
-            updateGuestOptionsDynamic(roomType, maxGuests);
+            updateGuestOptionsDynamic(roomType, maxGuests, extraBeds, extraBedPrice);
             hidePriceInfo();
         });
     });