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Studies revealed that the prevalence of overweight or obesity and hypertension in India had increased rapidly in recent years. However, there is a severe scarcity of data from the communities living on islands. The present study aimed to assess the prevalence of obesity and hypertension and their association among the adult Bhantus living in Port Blair of Andaman and Nicobar Islands, India. A total of 305 (males 134, females 171) adult (18-60 years) Bhantu individuals were included in this cross-sectional study. Anthropometric measurements such as height (HT), weight (WT), Hip (HC) and waist circumferences (WC) were measured and three blood pressures (Systolic Blood Pressure [SBP], Diastolic Blood Pressure [DBP] and Pulse Rate [PR]) were obtained. Results revealed the prevalence of general obesity (GO) (BMI≥23 kg/m2) was 40.7% (males 36.9%, females 43.9%), central obesity (CO) based on WC was 50.2% (male 38.8%, female 59.1%), Waist-Hip Ratio (WHR) was 59.7% (male 50%, female 67.3%), Waist-to-Height Ratio (WHtR) was 63.9% (male 58.2%, female 68.4%), Conicity Index (CI) was 63.6% (male 56.7%, female 69%), and hypertension (HTN) was 26.6% (males 29.9%, females 24%). Interestingly, the Chi-square test showed that most of the individuals with GO and CO had normal blood pressure levels. The correlation and regression analysis explored a positively significant age effect on obesity and blood pressure variables. The higher prevalence of obesity and HTN among the studied community needs immediate intervention measures at the primary level, including regular check-ups and appropriate awareness camps.