Cut garlic in half lengthwise, remove the core, and mince.

Wash peeled shrimp and pat dry with paper towels.

Boil water in a pot, add salt (not listed in ingredients) and spaghetti. Cook 1 minute less than the package instructions. Reserve 3 tbsp of pasta water and drain the spaghetti.

Heat olive oil and garlic in a frying pan over low heat. Once fragrant, increase to medium heat and add shrimp, squid, and clams. Stir until coated in oil. Add white wine, cover, and steam for 3 minutes until clams open.