Guam eSIM
Guamで使えるモバイルデータ。ローミング料金なし、すぐに開通、iPhone・Samsung・Androidにワンタップでインストール。
無制限プランを選ぶ
- 3G/4G/5G ネットワーク速度
- 必要なときにいつでもチャージ
- 即時開通・テザリング対応
- 24時間年中無休サポート・契約不要
- 24時間ごとに高速データ1 GB
- データ無制限（高速データ消費後は最低512 Kbps）
- 3G/4G/5G · 即時アクティベーション · テザリング対応
- 24時間年中無休サポート・契約不要
Guam eSIMの全プランと料金
| データ | 有効期間 | 価格 | 1GBあたり |
|---|---|---|---|
| 1日1 GB | 1日無制限 | $4.49 / 日 | — |
| 1日2 GB | 1日無制限 | $8.99 / 日 | — |
| 1日3 GB | 1日無制限 | $12.99 / 日 | — |
| 1日5 GB | 1日無制限 | $16.99 / 日 | — |
| 1日10 GB | 1日無制限 | $30.99 / 日 | — |
Guam eSIMはどのプランを選べばいい？
-
毎日の動画視聴とテザリング
1日無制限
$4.49 / 日から
ご利用の流れ
- ステップ01 プランを選ぶ 旅行に合ったデータ量と有効期間を選びます。
- ステップ02 注文メールを受け取る eSIMはすぐにメールで届きます。
- ステップ03 ワンタップでインストール インストールをタップし、到着したらデータ通信をオンにします。
Guam
よくある質問
Is an eSIM useful for exploring Tumon in Guam?
You walk through arrivals at Antonio B. Won Pat International Airport and pull up your Tumon hotel in Google Maps, passing the SIM queue with your route already on screen. In the taxi, you trace the coast toward the hotel and send your travelling companion the entrance location on WhatsApp. Your bags go down, your sandals go on, and you follow the map toward Tumon Beach with a lunch stop marked along the way.
At the restaurant, you use Google Translate to understand an unfamiliar menu description, then look through photos of the dishes before ordering. With lunch finished, you open a tour operator’s booking page and reserve a boat outing. Back beside the water, you frame the bright shallows and send a photo home through WhatsApp, then find the walking route back to your hotel.
What should tourists look for when choosing an eSIM for Guam?
Look for a Guam eSIM that serves the resort strip and established visitor routes, with clear allowance rules and hotspot support for sharing a connection. This plan provides a daily data allowance that renews automatically, with the allowance and package validity determined by your selection. Hotspot works on most plans, useful when your travel companion needs internet away from hotel Wi-Fi.
Preflight installation and a clear activation window also matter when comparing options. This eSIM supports installation before you fly and gives you 180 days from purchase to activate, so you can buy ahead without starting service at checkout.
Where is eSIM coverage strongest around Guam?
Your eSIM connects through local networks including GTA Wireless, with 3G/4G/5G service. Coverage is strongest around Hagåtña, Tamuning and the Tumon resort strip, where visitor services and development are concentrated. Reception becomes patchier across the rugged southern interior, on remote coastal stretches and along trails around Mount Lamlam.
| SimSwift eSIM | Local SIM | Roaming | |
|---|---|---|---|
| Setup | Install at home before you fly | Find a shop or airport kiosk and queue after landing | Nothing to install; switch roaming on |
| When you're connected | On landing within supported network coverage | After purchase and setup | On landing if your home plan includes Guam roaming |
| Paperwork / ID | No registration paperwork | ID may be requested at the counter | Keep your existing account; no new registration |
| Cost predictability | Pay once upfront for your selected package | Buy on arrival at local rates | Your home plan determines included service or additional charges |
| WhatsApp & your number | Keep using WhatsApp on your home number | New local number; WhatsApp stays on your home number | Your home number, on your home plan's roaming terms |
| Top-ups | Buy a new plan if you need more data | Purchase another data bundle through the provider | Extra data depends on your home plan |
What practical internet and phone tips help when visiting Guam?
- Save an offline map of Guam before driving the southern coastal route; download your accommodation location too.
- Carry a waterproof pouch for beach outings; salt spray and sudden tropical showers can soak an exposed device.
- Bring a Type A or Type B plug adapter for Guam sockets, and confirm your charger supports the local voltage.
- Keep a payment card and some cash handy for smaller roadside food stops; do not rely entirely on mobile payments.
- Use hotel Wi-Fi for large downloads, and ask reception whether access extends beyond the lobby.
- Save weather alerts and monitor official advisories during typhoon season before heading onto coastal roads or exposed trails.
Guam eSIMの料金はいくらですか？
SimSwiftのGuam無制限デイリープランは1日$4.49からです。