According to the sample menu below, calamari appears on the buffet on Tuesdays and Thursdays. Here is a link to the part of my TR where we dined at Cape May Seafood Buffet:
http://www.disboards.com/showpost.php?p=39233880&postcount=370
We went on a Thursday night and indeed did have the calamari:
Actual selections may vary from this menu
Soups
New England Clam Chowder and Cape May's Soup of the Day
Carving Station
Hand-carved Flank Steak
with Red Wine Demi-glace and Horseradish Cream
Hand-carved Roast Pork Loin
Cold Offerings
Fresh Fruit Salad, Cape May House Salad, Caesar Salad, Broccoli Slaw,
Cape May Potato Salad, Marinated Olives, Chilled Peel-n-Eat Shrimp,
Citrus Couscous Salad, Chicken Arugula Pasta Salad with Mushroom Vinaigrette,
Tomato Cucumber Mozzarella Salad, Quinoa Shrimp Salad with Hearts of Palm,
Panzanella Salad, and Green Mussels with Spicy Seaweed Salad
Hot Offerings
Barbeque Pork Ribs, Basil Mashed Potatoes, Sautéed Cabbage with Rainbow Chard and Bacon,
Steamed Red Potatoes, Marinated Roast Chicken, Steamed Corn on the Cob, Vegetable Pasta,
Specialty Pizza and Marinated Beef Tips with a Spicy Tomato Sauce
Seafood Selections
Snow Crab Legs, Steamed Clams, Prince Edward Island Sound Mussels,
Baked Seasonal Fish, Tortellini with Lobster Sauce, Seafood Pot Pie,
and Fried Cod (Sunday and Friday),
Batter-Fried Calamari (Tuesday and Thursday),
Fried Shrimp (Monday, Wednesday and Saturday)
Children's Buffet
Macaroni and Cheese, Chicken Nuggets, and Sauteed Green Beans and Carrots
Dessert Selections
Presented by the Yacht & Beach Club Resort Bakery Team
Cape May's Signature Oreo Bon Bons, Seasonal Cheesecake, Key Lime Tart,
Seasonal Cakes, Assorted Cookies, Cupcakes,
Fudge Brownies, and Peanut Butter Bars