In a small bowl, add the olive oil, garlic cloves (whole) and chopped mint, allow this to sit so the oil absorbs is infused with the mint and garlic, can be made ahead
Rinse the zucchini, cut of the stem. Slice in 1/4" thick slices lengthwise
If using preheat a gas grill, on direct heat, turn to medium low, lay the zucchini side by side on the grill. The zucchini will release from the grill and have grate marks when cooked, about 5-8 minutes per side. Turn carefully as to not rip the zucchini.
Place the cooked zucchini on a platter, drizzle the minted oil on the zucchini then sprinkle with finishing sea salt.
Can be served hot or even better at room temperature