Penghu | Snorkeling Activity | Underwater Mailbox Postcard | Poseidon Ocean Sports Club
- Visit Penghu's most popular underwater mailbox to mail a postcard; challenge yourself while sending your heartfelt wishes.
- Accompanied by professional instructors, enjoy the beautiful underwater scenery and vibrant ecosystem of Penghu's bays.
- Perfect for beginners in marine activities to explore the rich coral restoration area.
- Click here for more travel tips and the latest offers for the 2026 Penghu Fireworks Festival X Dragon Ball Z Summer Fireworks Show!
विकल्प चुनें
Water Activities
| Water activity type | Snorkeling |
| Activity season | Summer |
| Tour Type | Shared tour |
| Minimum participant requirement | 2 travelers |
| Instruction language | Mandarin |
| Activity level | Beginner |
| Transportation method | Get there on your own |
Product Info
What You Can Expect
1 Day
- Please provide your own transportation to the Poseidon Ocean Sports Club for check-in. After meeting, the instructor will lead you to the snorkeling site.
- This activity requires an AIDA2 or higher free-diving certification to remove the buoyancy vest and dive down to mail the postcard with the instructor's approval. Without certification, you must wear the buoyancy vest throughout the activity, and the instructor will mail the postcard on your behalf.
- A variety of waterproof postcards are available for purchase on-site.
- Take a photo on the water with your postcard.
- Encounter cute sea turtles in the ocean; please do not touch them, just observe them quietly.
Purchase Notice
Before the event
- Age limit for participation: Individuals aged 7 to 60 (inclusive) who are healthy and free from the following conditions (such as colds, ear-related diseases, pregnancy, asthma, diabetes, kidney disease, heart disease, high/low blood pressure, epilepsy, osteoporosis, claustrophobia, and those weighing over 100 kg). Travelers under 20 years of age must be accompanied by a parent who signs an activity waiver, or contact us beforehand to obtain an electronic copy of the waiver, print it out, sign it, and bring it to the participating venue.
- Please bring your own personal water-resistant clothing (swimsuit, swim trunks, surf trunks, or other non-absorbent clothing), a change of clothes, a towel, and toiletries; those who wear glasses are advised to use disposable contact lenses. For your safety, please refrain from consuming alcoholic beverages before and during the activity.
During the event
- Please arrive at the meeting point 10 minutes before the event to avoid being late and affecting your own and other travelers' rights, while also ensuring the quality of the event experience; if you arrive more than 10 minutes late for your registered session, it will be considered a cancellation, and no refund will be given.
- To comply with insurance requirements, participants must fill out basic information (including name, ID number, date of birth, and emergency contact information) and an event waiver upon registration; non-Taiwanese travelers are also required to provide their passport numbers.
- For safety reasons, the floatation suit must not be removed during the activity. Participants must follow the instructor's instructions throughout the activity. If any discomfort is experienced during the activity, the instructor must be notified immediately.
- There are underwater mailboxes in the Hangwan waters. If you wish to mail a postcard, you will need to purchase a special waterproof postcard, which is available in the store for NT$100 each. (As mentioned above) To protect your own and other participants' rights, participants who wish to write a postcard are advised to arrive at the store 10-15 minutes in advance to avoid shortening the event time.
- If the event cannot proceed due to weather conditions, customer service will assist you with rescheduling or refunds.
Helpful reminder
- Smoking is strictly prohibited during the event, both indoors and in the courtyard area. If you need to smoke, please do so in an open outdoor area. We apologize for any inconvenience this may cause.
- A few tips after hot waxing: To prevent infection or inflammation, it's safest to wait three days after hot waxing before engaging in water activities.
Includes/Excludes
- Professional coaching guidance
- Snorkeling equipment (mask, snorkel, buoyancy aid)
- Insurance: Water recreation liability insurance
- Tips
- Waterproof postcard (NT$ 100 per card)
Reminders
A minimum of 2 traveler(s) are required for the tour to depart. If the number of participants does not reach the minimum requirement, the tour will be canceled. An email regarding tour cancellation will be sent 1 day(s) before the departure date
Travelers with the following conditions or other health issues that could be worsened by excessive stimulation should not participate in this activity: High blood pressure, Heart disease, Asthma, Epilepsy, Pregnant women
Please arrive at the designated location 10 minute(s) before the scheduled departure time, as the tour will depart on time
Participants with the following diseases are not recommended to participate in this activity: such as colds, ear-related diseases, pregnant women, asthma, diabetes, kidney disease, heart disease, high/low blood pressure, epilepsy, osteoporosis, claustrophobia and those weighing more than 100 kg.
In order to maintain the safety and quality of the experience, if any of the following conditions occur (sea conditions, weather conditions, physical and mental condition of participants, or failure to follow the instructions of the coach and staff during the activity), the company reserves the right to stop the activity to protect the safety of participants, and no refund will be given.
Participants need to prepare their own transportation (motorcycle or car) to the meeting point and activity area.
All postcards must be delivered by the instructor. If participants want to deliver postcards by themselves, they must show their AIDA 2 or above diving certificate before participating in the activity, and they can only dive and deliver the postcards after the instructor has assessed their condition and given permission.
This activity will give priority to the Hangwan (Underwater Mailbox) area. If the area is not suitable for diving, the weather and sea conditions will be evaluated to select a suitable area. Please understand.
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How to Use Your Voucher
- Please present the e-voucher on-site
Meeting Point
Location Name: Poseidon Ocean Sports Club - Shanshui Branch
Address: 1F., No. 1962, Suogang Li, Magong City, Penghu County 880, Taiwan (R.O.C.)Cancellation Policy
- Cancellations 3 day(s) (inclusive) before the selected date are allowed. Unused orders can be canceled for free
- Cancellation is not allowed between 0–2 days from the selected date. Orders cannot be canceled or modified, and refunds will not be granted.
- Due to time zone differences, the confirmed cancellation date is based on the supplier’s local time. Please allow 2–5 business days to process your cancellation request, after which the cancellation fee will be charged according to the product’s cancellation policy. Once your refund request is confirmed, KKday will initiate the refund to your original payment method within 15 days. The actual refund timing depends on your card-issuing bank’s policy.
