<![CDATA[ABSTRACTThis study analyzes the biophysical conditions and sustainability level of mangrove ecosystems in North Oba District, Tidore Islands, as a foundation for designing a disaster-resilient mangrove ecotourism area. A descriptive-quantitative approach was employed, supported by GIS-based spatial analysis, satellite image interpretation, field observation, and social validation through semi-structured interviews. The results indicate that the mangrove ecosystem still maintains relatively good ecological conditions, characterized by diverse species such as Rhizophora, Avicennia, and Bruguiera, and continues to perform essential coastal protection functions. However, a declining trend in mangrove cover of approximately 14.94 hectares between 2017 and 2025, along with waste accumulation, spatial fragmentation between conservation (HL) and utilization (APL) zones, and weak institutional coordination, signals increasing ecological pressure. Overall, the sustainability level is categorized as vulnerable, although the area still holds strong potential for ecotourism development. This study emphasizes the need for integrated spatial planning that combines ecological protection, community-based management, and disaster mitigation to ensure long-term sustainability of coastal ecosystems.Keywords: North Oba mangroves, ecotourism, disaster mitigation, GIS spatial analysis, ecosystem sustainability.ABSTRAKPenelitian ini menganalisis kondisi biofisik dan tingkat keberlanjutan ekosistem mangrove di Kecamatan Oba Utara, Kota Tidore Kepulauan sebagai dasar perancangan kawasan ekowisata berbasis mitigasi bencana. Metode penelitian menggunakan pendekatan deskriptif-kuantitatif dengan analisis spasial berbasis GIS, interpretasi citra satelit, observasi lapangan, serta validasi sosial melalui wawancara. Hasil penelitian menunjukkan bahwa ekosistem mangrove masih memiliki kondisi ekologis yang relatif baik dengan keberagaman jenis seperti Rhizophora, Avicennia, dan Bruguiera, serta fungsi ekologis penting sebagai pelindung pesisir. Namun, terjadi penurunan tutupan mangrove sebesar 14,94 hektare pada periode 2017–2025, disertai tekanan sampah, fragmentasi ruang APL–HL, dan lemahnya tata kelola. Secara keseluruhan, tingkat keberlanjutan berada pada kategori rentan meskipun masih berpotensi untuk dikembangkan sebagai ekowisata. Penelitian ini merekomendasikan penguatan zonasi, rehabilitasi kawasan, serta integrasi kelembagaan untuk mendukung pengelolaan berkelanjutan dan mitigasi bencana pesisir. Temuan ini menegaskan pentingnya pendekatan perancangan kawasan terpadu yang mengintegrasikan aspek ekologis, sosial, dan mitigasi risiko bencana pesisir secara berkelanjutan di wilayah tersebut.Kata kunci: Mangrove Oba Utara, Ekowisata, Mitigasi Bencana, Analisis Spasial GIS, Keberlanjutan Ekosistem]]>
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