HelloRoam offers Saint Vincent and the Grenadines eSIM plans on FLOW 4G, with unlimited data starting at $20.14 per day. FLOW covers Kingstown on Saint Vincent, Bequia, and key Grenadines islands. The cheapest 7-day plan starts at $13.50. Prices verified May 2026.
HelloRoam offers Saint Vincent and the Grenadines eSIM plans on FLOW 4G, with unlimited data starting at $20.14 per day. FLOW covers Kingstown on Saint Vincent, Bequia, and key Grenadines islands. The cheapest 7-day plan starts at $13.50. Prices verified May 2026.
All Saint Vincent and the Grenadines eSIM plans compared
eSIM provider comparison for Saint Vincent and the Grenadines — 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
￥7,524
FLOW
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 Vincent and the Grenadinesのおすすめトップ3
Saint Vincent and the Grenadines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。 おすすめのオプションをご紹介します。
HelloRoam
コスパ最強
￥7,524
5GB / 30日間
メリット： 1GBあたりの価格が最安値、高速開通、FLOWでのSaint Vincent and the Grenadines通信カバレッジ。 デメリット： 比較的新しいブランドで、Airaloよりコミュニティが小さい。
FLOW is the primary 4G carrier in Saint Vincent and the Grenadines, operating across the main island and all major Grenadine cays. Coverage extends from Kingstown on Saint Vincent south through Bequia, Mustique, Canouan, Mayreau, and the Tobago Cays. FLOW provides the only reliable eSIM-compatible 4G service throughout the archipelago.
Remote Grenadine cays and outer anchorages have reduced signal.
通信範囲の分析
FLOW 4G covers Kingstown city and port, Argyle International Airport, and the Windward and Leeward highway systems on Saint Vincent. Bequia's Admiralty Bay and Port Elizabeth have solid 4G. Mustique has reliable coverage in Britannia Bay and the airport area.
Canouan has coverage near the marina and Raffles resort. The Tobago Cays (uninhabited marine park) and remote anchorages have intermittent 2G-4G coverage. Young Island and Palm Island maintain FLOW signal.
開通方法
Install your eSIM QR code before flying into Argyle International Airport (SVD) on Saint Vincent. FLOW activates automatically on landing. Enable data roaming in your phone settings.
No counter registration or SIM shop required. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM. Carrier-unlock your device before departure.
データ通信の活用のコツ
Kingstown visitors use 400-600 MB per day for navigation, restaurant apps, and social media. Sailors on Grenadines charter routes need connectivity for marine weather apps (PredictWind uses 100-200 MB per day), marina booking via WhatsApp, and route planning. The unlimited plan suits yacht charters where usage varies daily.
Download offline charts as backup for the Tobago Cays and remote anchorages where signal is intermittent.
Saint Vincent and the Grenadinesのプラン評価方法
Saint Vincent and the Grenadines eSIM plans reflect higher Caribbean pricing for remote island coverage. Unlimited daily data costs $20.14, with the 7-day plan at $135.11 ($19.30/day) covering a standard charter sailing week. Three days runs $57.90 and 14 days costs $261.41 ($18.67/day).
The higher pricing versus other Eastern Caribbean islands reflects the infrastructure cost of maintaining FLOW coverage across 30+ islands.
Best eSIM plans for Saint Vincent and the Grenadines in 2026
Saint Vincent Unlimited 1Day
FLOW (4G)1 有効期限チャージ不可
￥3,061
0 GB · 1 有効期限
1GBあたり￥3,061
テザリング可
ネットワークFLOW
Saint Vincent Unlimited 3Days
FLOW (4G)3 有効期限チャージ不可
￥8,801
0 GB · 3 有効期限
1GBあたり￥8,801
テザリング可
ネットワークFLOW
Saint Vincent Unlimited 7Days
FLOW (4G)7 有効期限チャージ不可
￥20,537
0 GB · 7 有効期限
1GBあたり￥20,537
テザリング可
ネットワークFLOW
Saint Vincent Unlimited 14Days
FLOW (4G)14 有効期限チャージ不可
￥39,734
0 GB · 14 有効期限
1GBあたり￥39,734
テザリング可
ネットワークFLOW
All eSIM plans for Saint Vincent and the Grenadines — Prices verified 2026-05-30
プラン
ネットワーク
有効期限
価格
Saint Vincent Unlimited 1Day ⭐
FLOW
1d / 0GB
￥3,061
Saint Vincent Unlimited 3Days
FLOW
3d / 0GB
￥8,801
Saint Vincent Unlimited 7Days
FLOW
7d / 0GB
￥20,537
Saint Vincent Unlimited 14Days
FLOW
14d / 0GB
￥39,734
Prices verified: May 2026
Questions about Saint Vincent and the Grenadines eSIMs
What is the best eSIM for sailing the Grenadines?+
HelloRoam's Saint Vincent and the Grenadines eSIM on FLOW 4G covers the main sailing route from Bequia through Mustique, Canouan, and the Tobago Cays. The 7-day unlimited plan at $135.11 suits a standard charter week. Download offline charts for the Tobago Cays where anchorage signal can be intermittent.
How much does a Saint Vincent eSIM cost?+
Saint Vincent and the Grenadines eSIM plans start at $13.50 for 7 days, or $20.14 per day for unlimited data. A 7-day unlimited plan runs $135.11, and 14 days costs $261.41. Pricing is higher than some Eastern Caribbean peers due to the multi-island coverage infrastructure required.
Does eSIM work in Mustique?+
Yes. FLOW 4G covers Mustique's Britannia Bay anchorage and the airport. Coverage reaches the main residential areas and beach clubs used by the island's private villa community. Remote villa areas and the Macaroni Beach area maintain usable signal.
Which network does eSIM use in Saint Vincent?+
eSIM plans for Saint Vincent and the Grenadines connect to FLOW 4G. FLOW is the dominant carrier across the entire archipelago, providing the only consistent eSIM-compatible 4G service from the main island through all major Grenadines.
Does eSIM work in Bequia?+
Yes. FLOW 4G covers Port Elizabeth, Admiralty Bay, and the main beach areas of Bequia. The ferry connection from Saint Vincent takes 1 hour and maintains signal throughout. Bequia's main waterfront strip has reliable 4G for restaurant reservations, marine weather apps, and messaging.
How do I activate a Saint Vincent eSIM?+
Install your eSIM QR code before departure. FLOW activates automatically on landing at Argyle International Airport on Saint Vincent. Enable data roaming after landing. No counter visit or registration required. Plan activates from the first moment of arrival.
Does eSIM work at the Tobago Cays?+
The Tobago Cays are uninhabited marine park islands. FLOW coverage is intermittent in the anchorage — sometimes adequate for messaging and basic browsing, but not reliable for video calls. Download offline charts and weather data before anchoring in the Tobago Cays area.
How much data do I need in Saint Vincent and the Grenadines?+
Sailors and charter guests need 300-500 MB per day for weather apps, WhatsApp coordination, and navigation. Visitors based in Kingstown and doing day trips need 400-700 MB per day for standard tourist apps. The unlimited plan at $20.14/day covers all usage patterns without monitoring.
Does eSIM work at Canouan resort?+
Yes. FLOW 4G covers the Canouan marina and the Raffles resort area. Canouan's small airstrip also has coverage. The resort provides its own Wi-Fi, but the eSIM ensures connectivity while exploring the island's beaches and the nearby Tobago Cays by daytrip boat.
Does my phone support eSIM in Saint Vincent?+
iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM. Your device must be carrier-unlocked before departure. US and UK contract phones are often locked. Verify your unlock status with your home carrier before traveling to Saint Vincent and the Grenadines.
プロバイダーレビュー
Saint Vincent and the Grenadinesで利用可能なトップeSIMプロバイダーの詳細レビューをご覧ください。
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