Lockers at Walt Disney World

Regular Theme Park Lockers are $7 per day + $5 refundable deposit and measure 11"h x 9"w x 16" deep

Large Theme Park are $10 per day +5 refundable deposit and measure 17.5"h x 12"w x 16" deep

Park Hopper Locker Rentals 
When visiting more than one park per day, simply return your locker key to receive your original $5 deposit. Then, present your receipt (plus the deposit) at the second theme park to gain access to another locker.

At the present time there is no way to reserve lockers in advance. 

Magic Kingdom Lockers
Lockers are located at the entrance, on the right hand side.

Epcot Lockers
Epcot bus depot
International Gateway, between FutureWorld and World Showcase
Camera Center near Spaceship Earth

Hollywood Studios Lockers
At the Hollywood Studios bus depot
Inside the park just after the turnstiles

Animal Kingdom Lockers
Near Expedition Everest
Near Kali River Rapids

Disney World Water Park Locker Rentals

Disney Water Park Lockers are $8 per day + $5 refundable deposit

Large Lockers are $9 per day + $5 refundable deposit.

Disney Water Park Large Lockers are $10 per day + $5 refundable deposit

Typhoon Lagoon Lockers
High and Dry Locker Rentals
Singapore Sal's Locker Rentals

Blizzard Beach Lockers
Beach Haus Locker Rentals
Snowless Joe's Locker Rentals