Yes, taking antimalarial medication is highly recommended for any traveler visiting the Masai Mara in 2026. While the high altitude of the Mara (around 1,500 meters) means the mosquito population is lower than in coastal Kenya, it is still a moderate-risk malaria zone. The disease is transmitted by the Anopheles mosquito, which is most active between dusk and dawn. Common prophylaxes include Atovaquone/Proguanil (Malarone), Doxycycline, or Mefloquine; you should consult a travel clinic at least 4 to 6 weeks before your trip to determine which is best for you. In addition to tablets, you should use an insect repellent containing 30-50% DEET, wear long-sleeved clothing in the evenings, and ensure you sleep under a mosquito net. Because malaria can be fatal if untreated, the "peer-to-peer" advice is to never rely solely on "low risk" anecdotal evidence; the tablets are an essential insurance policy for a safe safari experience in East Africa.