Dens are something essential in Animal Jam, you can't play this game without one! Dens are something of your own that you can design. You can make it scary, cozy, happy, funny, etc. You can make a party at your den and invite buddies or random Jammers to it. If you want more Jammers in your den for a party, go to Jamaa Township and shout: PARTY AT MY DEN! PLEASE COME! or something similar to that. There are a big selection of dens you can pick from, such as: Princess Castle, Enchanted Hallow, Restaurant, or Tree House. Furthermore, there are also underwater dens: Lost Ruins and Sunken Ship.
The Princess Castle is quite a spacious den, with 4 floors with 4 staircases. Even the garden is quite big! Rosebushes surround the castle grounds. The bottom floor leads to 1 room, and that 1 room leads to 2 rooms, and one of the 2 rooms lead to the upper floor. The upper floor can be used as an attic, bathroom, or even a trophy room! This castle can be for multiple uses. This den costs 6,000 gems, but is definitely worth the money. The sky for this den is dusk or dawn. This glorious living space is for every Jammer, young or old!