Whisk together coconut milk, ginger, garlic, turmeric, red-pepper flakes, honey, and salt. Zest and juice 1 lime into the mixture. Stir in cilantro.
STEP 2
Add fish fillets; coat and marinate in the fridge for 15-30 minutes.
STEP 3
Adjust oven rack to lower-middle position. Preheat to 425°F.
STEP 4
On a large sheet pan, toss tomatoes with 2 tablespoons olive oil and salt. Place marinated fish between tomatoes and drizzle with marinade. Drizzle 1 tablespoon oil on fish. Roast for 8-10 minutes until opaque.
STEP 5
Heat broiler to high. Broil until fish is tender and tomatoes brown, about 5-6 minutes.
STEP 6
Serve fish and tomatoes with pan juices, garnished with remaining cilantro and lime wedges.