Side-by-side city decision # San Juan vs Koh Samui. A direct comparison of monthly costs, connectivity, safety, quality of life and remote-work fit. Share comparison Copy link San JuanUnited States (Puerto Rico)2/6 VS Koh SamuiThailand3/6 $2,480San Juan monthly budget $1,250Koh Samui monthly budget 250 MbpsSan Juan internet 180 MbpsKoh Samui internet Decision summary Koh Samui Koh Samui leads on more of the six headline signals. Cost Best budget Koh Samui Speed Fastest internet San Juan Vibe Best nomad vibe Tie Safety Highest safety Koh Samui Air Cleanest air Koh Samui Walk Most walkable San Juan Quick read ## Two cities at a glance The headline numbers before you examine the full comparison. [San Juan](https://jobicy.com/cost-of-living/puerto-rico/san-juan.md) United States (Puerto Rico) 2/6 Budget$2,480 Internet250 Mbps Vibe8/10 [Koh Samui](https://jobicy.com/cost-of-living/thailand/koh-samui.md) Thailand 3/6 Budget$1,250 Internet180 Mbps Vibe8/10 Full comparison ## Compare what matters Green marks the stronger numeric result. Text-only categories are presented without a winner. Differences only ### Monthly budget and costs 7 signals MetricSan JuanKoh Samui Total estimated budget $2,480 $1,250 1-bed center rent $1,450 $650 Coworking desk $275 $145 Local meal $15 $2.8 Cappuccino $4.8 $2.4 Gym membership $55 $55 Transport budget $180 $120 ### Work and infrastructure 2 signals MetricSan JuanKoh Samui Internet speed 250 Mbps 180 Mbps Nomad vibe 8/10 8/10 ### Quality of life 5 signals MetricSan JuanKoh Samui Safety index 52/100 76/100 Air quality 78/100 82/100 Walkability 6/10 4/10 Female safety 6/10 7/10 LGBTQ+ friendly 7/10 7/10 ### Culture and climate 4 signals MetricSan JuanKoh Samui Healthcare quality Good Good English proficiency Good Good Climate type Tropical rainforest Tropical monsoon Best time to visit Dec - Apr Jan - Mar Beyond the numbers ## What each city asks you to trade Costs and scores help narrow the choice. These practical strengths and limitations finish the picture. [San Juan](https://jobicy.com/cost-of-living/puerto-rico/san-juan.md) United States (Puerto Rico) → ### Strengths * No currency exchange for U.S. dollar earners * Fast fiber and mobile internet in central districts * Year-round beach access and tropical outdoor life * Strong food, music, and nightlife scene * U.S.-standard retail, banking, and healthcare access * Large bilingual local, expat, and remote-worker community ### Trade-offs * Rents and short-term stays can be expensive * A car is useful outside the most central neighborhoods * Hurricane season can disrupt travel, power, and internet * Traffic is heavy and driving can feel aggressive * Petty theft and neighborhood-by-neighborhood safety require awareness * Spanish is important for deeper local integration ### Common visa routes * U.S. citizens and permanent residents: no visa required * Visa Waiver Program / ESTA for eligible short visits * B-1/B-2 visitor visa for eligible temporary visitors [Koh Samui](https://jobicy.com/cost-of-living/thailand/koh-samui.md) Thailand → ### Strengths * Relaxed island lifestyle with excellent beaches * Strong international remote-worker community * Fast fiber internet and widespread 5G * Good selection of cafes, gyms, and wellness services * Generally safe with quality private healthcare * More peaceful and spacious than Phuket ### Trade-offs * Scooter dependence and limited public transport * Rental prices rise sharply in high season * Heavy rain and localized flooding from October to December * Road safety can be a serious concern * Island goods and imported products cost more * Airport flights can be relatively expensive ### Common visa routes * Visa Exemption * Destination Thailand Visa (DTV) * Non-Immigrant Visa Reading the result ## Use this as a planning benchmark The headline score compares six directional signals. It does not weight personal priorities, visa eligibility, household size or individual lifestyle choices. Costs are monthly estimates, not guaranteed prices. Higher is better for quality scores and connectivity. Lower is better for budgets and individual expenses.