Illustrate a whimsical scene featuring a charming seal dressed in a playful beach buggy costume, complete with oversized sunglasses and a colorful, tropical-themed hat. The seal's pudgy body is adorned with the bright, cheerful colors of the costume, enhancing its adorable appearance. It joyfully waddles along the sandy shoreline, its flippers raised in a gesture of pure delight. The sun hangs high in the sky, casting a warm, golden glow over the scene, while seagulls wheel overhead with raucous calls. The gentle sound of ocean waves lapping against the shore adds to the carefree atmosphere of this comical beachside encounter.