Put it in a Ziploc bag in your pocket, or just in your pocket (assuming you have a pocket). Water should not hurt a metal key or keycard. I have it in the pockets in my shorts, phone, stuff, book, leave it pool side on the lounge chair.
People Also Ask
If you dropped your card on a hard surface it might have gotten nicked. Scratches, crusted cracker-crumb bits and folds might make it harder for the card to be read. Cards left in the hot sun, rubbed by beach sand in a pocket or stepped on by a dog might look just fine but may have lost the ability to open your door.
Hotel keycards come in various designs unique to the hotel or chain or brand. It's like a business card that's distinct and easily identifiable as this or that hotel. You'll need it to access your room and it provides a measure of security during your stay.
Are key cards reusable? All key cards are encoded over again making them reusable. Even though they are inexpensive due to the quantity purchased, it's environmentally sensitive to reuse the plastic key cards than to throw them away. After checking out, the key card expires shortly after this.
Early metal hotel room keys were inscribed with the address of the hotel and the room number it opened, which provided criminals easy access to rich patrons. The uniformity of Sornes' keycard solved this issue by ensuring guests' anonymity: lost keys could no longer be traced to a particular room.
It's difficult (and somewhat impractical) to run power into a door, particularly in a hotel. Those hotel room card locks are battery operated, so a power failure will not affect them. You can enter and leave your room anytime you want. Just remember, the elevators won't be working!
The card becomes demagnetized. This can happen if the card gets too close to a strong magnet, such as an MRI machine. It can also happen if the card spends a moderate or long amount of time next to a weaker magnetic object, such as a cell phone or set of keys.
There is an increasing trend in hotels,started in Spain, to require the hotel room card in a slot for the electronics to work. This is a widespread energy saving move. The only way the air conditioning continues to work after you leave the room is if you have 2 cards. People often misplace a card.