Preheat oven to 400°F. Line baking sheet with parchment paper. Slice squash lengthwise and remove seeds with spoon. Rub inside of squash with coconut oil and sprinkle with sea salt. Place cut side down on baking sheet. Roast for 30 minutes until tender and easily pierced with a fork. Let cool slightly. Using a fork, scrape squash and noodles from skin and cover with foil to keep warm.