A queen size mattress is the perfect choice for a guest room as it offers enough space for a single guest or a couple to sleep comfortably. At 60 inches wide and 80 inches long, a queen size mattress can easily fit into most guest rooms without taking up too much space. It is also a popular size for couples as it allows for each person to have enough room to stretch out while still being close enough to cuddle.1. Queen Size Mattress
If you have a smaller guest room or want to save space, a full size mattress may be the best option for you. Measuring 54 inches wide and 75 inches long, a full size mattress can comfortably sleep one person, but may be a bit of a tight fit for two. However, it is a great option for solo guests or children staying in the guest room.2. Full Size Mattress
For a guest room that may have multiple guests, a twin XL size mattress is a great choice. With 39 inches wide and 80 inches long, it offers enough space for one person to sleep comfortably and is also a popular size for college dorm rooms. It is also a great option for taller guests as it provides extra length compared to a standard twin size mattress.3. Twin XL Size Mattress
If you want to provide your guests with the ultimate comfort and luxury, a king size mattress may be the way to go. With 76 inches wide and 80 inches long, it is the largest standard mattress size available and offers plenty of room for a couple or even a small family to sleep comfortably. Keep in mind that a king size mattress may take up more space in the guest room and may not be suitable for smaller rooms.4. King Size Mattress
For guests who prefer a firmer and more supportive mattress, a memory foam mattress is a great option. These mattresses are made from high-density foam that conforms to the body and provides excellent support. They are also known for their ability to reduce motion transfer, making it a great choice for couples who may have different sleep schedules. Brands like Tempur-Pedic and Casper are popular choices for memory foam mattresses.5. Memory Foam Mattress
If you want a versatile and convenient option for your guest room, an air mattress may be the way to go. These mattresses are inflatable and can be easily stored away when not in use, making them a great choice for smaller guest rooms. They also come in various sizes and can be adjusted to different levels of firmness to suit your guests' preferences.6. Air Mattress
If you have limited space in your guest room, a foldable mattress may be the perfect solution. These mattresses can be easily folded and stored away when not in use, making them a great choice for small apartments or guest rooms that may serve multiple purposes. They are also a budget-friendly option and come in various sizes and materials.7. Foldable Mattress
A futon mattress is a great option if you want to provide your guests with a comfortable place to sit and sleep. These mattresses are typically made from a combination of cotton and foam and can be easily folded into a couch during the day. They come in various sizes and styles, making them a versatile choice for any guest room.8. Futon Mattress
Similar to a futon mattress, a sofa bed mattress is another versatile option for a guest room. These mattresses are typically found in sofa beds and can be easily pulled out to create an extra sleeping space. They come in various sizes and materials, making it easy to find one that suits your guest room's style.9. Sofa Bed Mattress
If you want to accommodate multiple guests in your guest room, a trundle mattress may be the perfect solution. A trundle is a small bed that can be stored underneath a larger bed and pulled out when needed. They come in various sizes and can be a great option for children or solo guests staying in the guest room.10. Trundle Mattress