HelloRoam offers Saint Martin eSIM plans on Orange, with unlimited data starting at $2.27 per day — among the lowest rates in the Caribbean. Orange covers the French side of the island including Marigot, Grand Case, and Orient Bay. The cheapest 7-day plan starts at $1.14. Prices verified May 2026.
HelloRoam offers Saint Martin eSIM plans on Orange, with unlimited data starting at $2.27 per day — among the lowest rates in the Caribbean. Orange covers the French side of the island including Marigot, Grand Case, and Orient Bay. The cheapest 7-day plan starts at $1.14. Prices verified May 2026.
All Saint Martin eSIM plans compared
eSIM provider comparison for Saint Martin — Prices verified 2026-05-30
プロバイダー
価格（5GB）
通信範囲
評価
こんな方におすすめ
HelloRoam
￥793
Orange
4.9/5
総合最高
Airalo
￥2,432
200カ国以上
4.5/5
最多渡航先
Holafly
無制限
160カ国
4.2/5
ヘビーユーザー
Saint Martinのおすすめトップ3
Saint Martinで利用可能な5件のeSIMプランを評価し、確認済み価格・ネットワーク通信範囲・開通速度・アプリ品質を比較しました。 その中から5件が際立っていました。
Orange is the primary carrier on the French side of the island (Saint Martin / Collectivité de Saint-Martin). The island is split between France and the Netherlands, with the French side covering Marigot, Grand Case, Orient Bay, and Anse Marcel. Orange operates under French overseas collectivity regulations, delivering European-standard 4G at French pricing.
The Dutch Sint Maarten side has separate carriers (Chippie/UTS) and a separate plan is needed.
通信範囲の分析
Orange 4G covers all of the French side of Saint Martin including Marigot town, Grand Case village (restaurant row), Orient Bay beach, Anse Marcel, and Tintamarre Island viewpoints. The border crossing areas at Sandy Ground and at the main RN7 road are well covered. The French side's northern beaches including Friar's Bay, Happy Bay, and Petite Plage all have 4G.
Signal extends briefly into the Dutch side near the border.
開通方法
Install your eSIM QR code before traveling to Saint Martin. Most visitors fly into Princess Juliana Airport (SXM) on the Dutch Sint Maarten side and cross into Saint Martin by taxi or rental car. Orange activates when you enter the French side.
If arriving via L'Espérance Airport (SFG) on the French side, Orange activates immediately. Enable data roaming in your settings. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer all support eSIM.
データ通信の活用のコツ
Saint Martin visitors use 300-500 MB per day for restaurant navigation to Grand Case's gourmet strip, beach bar check-ins, and Instagram uploads from Orient Bay. The unlimited plan at $2.27/day is exceptional value for Caribbean connectivity. Water sports booking via WhatsApp uses minimal data.
The 7-day plan at $15.20 covers a full week of light usage, while the unlimited plan removes any concern about tracking data during a beach holiday.
Saint Martinのプラン評価方法
Saint Martin offers some of the Caribbean's best eSIM value due to French overseas territory pricing. Unlimited daily data starts at just $2.27 per day — roughly 8x cheaper than comparable Eastern Caribbean island plans. A 7-day plan costs $1.14, three days runs $6.51, seven days of unlimited access costs $15.20, and 30 days runs $58.06 ($1.94/day).
This pricing makes Saint Martin accessible even for budget travelers.
Best eSIM plans for Saint Martin in 2026
Saint Martin Unlimited 1Day
Orange (4G)1 有効期限チャージ不可
￥345
0 GB · 1 有効期限
1GBあたり￥345
テザリング可
ネットワークOrange
Saint Martin Unlimited 3Days
Orange (4G)3 有効期限チャージ不可
￥990
0 GB · 3 有効期限
1GBあたり￥990
テザリング可
ネットワークOrange
Saint Martin Unlimited 7Days
Orange (4G)7 有効期限チャージ不可
￥2,310
0 GB · 7 有効期限
1GBあたり￥2,310
テザリング可
ネットワークOrange
Saint Martin Unlimited 14Days
Orange (4G)14 有効期限チャージ不可
￥4,470
0 GB · 14 有効期限
1GBあたり￥4,470
テザリング可
ネットワークOrange
Saint Martin Unlimited 30Days
Orange (4G)30 有効期限チャージ不可
￥8,825
0 GB · 30 有効期限
1GBあたり￥8,825
テザリング可
ネットワークOrange
All eSIM plans for Saint Martin — Prices verified 2026-05-30
プラン
ネットワーク
有効期限
価格
Saint Martin Unlimited 1Day ⭐
Orange
1d / 0GB
￥345
Saint Martin Unlimited 3Days
Orange
3d / 0GB
￥990
Saint Martin Unlimited 7Days
Orange
7d / 0GB
￥2,310
Saint Martin Unlimited 14Days
Orange
14d / 0GB
￥4,470
Saint Martin Unlimited 30Days
Orange
30d / 0GB
￥8,825
Prices verified: May 2026
Questions about Saint Martin eSIMs
What is the best eSIM for Saint Martin?+
HelloRoam's Saint Martin eSIM on Orange 4G delivers unlimited data at $2.27/day — the best value in the Caribbean. The 7-day unlimited plan at $15.20 suits a full beach holiday on the French side. The island's French collectivity status keeps pricing far below neighboring islands like Sint Maarten or Saint Kitts.
How much does a Saint Martin eSIM cost?+
Saint Martin eSIM plans start at $1.14 for 7 days of data, or $2.27 per day for unlimited data. A full week of unlimited access runs $15.20, and 30 days costs $58.06. Saint Martin is one of the most affordable Caribbean eSIM destinations due to its French overseas territory pricing structure.
Does a Saint Martin eSIM work on the Dutch Sint Maarten side?+
The HelloRoam Saint Martin eSIM covers the French side (Saint Martin collectivity) on Orange. The Dutch Sint Maarten side uses different carriers. Orange signal may extend briefly near the border, but full reliable coverage on Sint Maarten requires a separate plan. Most restaurants, beaches, and attractions on both sides are easily accessible from either.
Which airport should I fly into for Saint Martin?+
Princess Juliana International Airport (SXM) on the Dutch Sint Maarten side handles most international flights. A short taxi or rental car ride across the invisible border activates your Orange eSIM. L'Espérance Airport (SFG) on the French side handles smaller regional flights and activates Orange immediately on landing.
Does eSIM work at Orient Bay beach?+
Yes. Orient Bay (Baie Orientale) is one of the best-connected beaches in the Caribbean, with Orange 4G across the beach restaurants, water sports operators, and parking areas. Signal is strong throughout the 2 km beach. Photo uploads and social media work reliably from Orient Bay.
Does eSIM work in Grand Case?+
Yes. Grand Case, the gourmet restaurant village on the French side, has strong Orange 4G coverage along the Blvd de Grand Case restaurant strip, the beach, and the surrounding streets. All restaurant reservation apps, Google Maps, and messaging work reliably in Grand Case.
How do I activate a Saint Martin eSIM?+
Install your eSIM QR code before departure. Orange activates automatically when you enter the French side of Saint Martin. If arriving via Princess Juliana Airport on the Dutch side, activation happens when you cross the border. Enable data roaming in your phone settings. No counter registration required.
Why is Saint Martin eSIM cheaper than other Caribbean islands?+
Saint Martin is a French overseas collectivity, meaning it benefits from the same Orange infrastructure and wholesale pricing as metropolitan France. Other Eastern Caribbean islands like Saint Lucia or Barbados have independent carriers with higher wholesale costs, resulting in 5-8x higher eSIM pricing.
How much data do I need in Saint Martin?+
Light users checking maps and messaging need 200-400 MB per day. Active social media users uploading beach content need 500 MB to 1 GB per day. At $2.27/day for unlimited, it's simpler to choose the unlimited plan and not track usage at all during a beach holiday.
Does my phone support eSIM in Saint Martin?+
iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM. Your device must be carrier-unlocked. Saint Martin uses standard EU frequency bands as a French collectivity, so all modern unlocked smartphones work with Orange's 4G network on the island.
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