Most table service restaurants can provide a cake for you, just call one of the resort restaurants in advance. Also I know the Boardwalk Bakery makes some great cakes and is pretty close to the Beach Club.
Here are some more birthday ideas, have fun!
Birthday Packages
Yacht and Beach Club Children's Birthday Party Package:
Price:_ $300 for up to 12 guests, $21.95 for each additional guest.
Ages:_ 4 and up
Hours: Parties can be scheduled for 11:00am, 12 noon
Reservations:_ 407-934-3750 (call between 2pm and 10pm)
Features decorated party room, personalized birthday cake, full use of all games in the Sand Castle Club, free use of 15 arcade games, Sega and Super Nintendo, building blocks and
Lego's, big screen TV and VCR showing Disney movies, play kitchen area._ Access to Yacht/Beach Swimming pool
Food:_ Hamburgers, hot dogs, pizza, potato chips and soda._ Call 407-934-3750 between 2pm and 10pm for reservations.
Yacht and Beach Birthday Fireworks Cruise:
Price:_ $150 + tax and tip for a small pontoon boat (8 guests), $220 + tax and tip for a large pontoon boat (up to 16 guests)
Reservations:_ 407-934-3750 (between 2pm and 10pm)
Hours:_ Determined by fireworks schedule
Features:_ Boat is decorated with streamers and balloons.__ Personalized birthday cake, and soda/non-alcoholic beverages._ Cruise goes around Crescent lake and then into Epcot to view Illuminations._ Entire cruise last appx 90 minutes._ Call 407-934-3750 between 2pm and 10pm for reservations.
Winter Summerland Miniature Golf:
Hours: 10am-12pm, 12pm-2pm, 2pm-4pm, 4pm-6pm
Cost:_ $15.95 per person and includes pizza beverages, birthday cake and one round of miniature golf._ Minimum of 10 people per party.__
Reservations:_ 407-WDW-PLAY must be made at least one week prior to the event.
Birthday Tickets at DisneyQuest:
Price: $33 + tax for adults, $27 + tax per child ages 3-9
Includes admission to DisneyQuest, one meal coupon, one $5 Prize Play card and 20% off merchandise at the Emporium (good only for the day of the event).
Reservations:_ None required
BIRTHDAY CAKES
Restaurants:
Six-inch cakes are available at most full-service restaurants for birthdays and anniversaries for a charge starting at $7.99. Additional cakes are also available for a charge and should be ordered in advance through the appropriate restaurant.
Resorts:
Contact Resort Room Services or Guest Services.