Preheat the oven to 350 degrees F.
Spray a 1 quart baking dish with nonstick spray.
In a large bowl, mix together the cream cheese, pepper Jack, mayonnaise, lime juice, and hot sauce until smooth.
Fold in the crabmeat, tomatoes, green onions, basil, garlic, salt, and pepper.
Smooth the mixture into baking dish. Bake until golden and bubbly, about 30 minutes.
Split, pit, peel, and dice the avocados and sprinkle them over the crab dip after it has cooled slightly.
Serve warm with crackers or crusty bread.
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