Grand Sea Through
Verified· 2026-08-06Villa · Nai Harn
Grand Sea Through is an off-plan development in Nai Harn, by Botanica Luxury Phuket Co., Ltd. Prices start from ฿28,800,000, villa, 4–5 bedrooms, completion 2026.
Grand Sea Through is a boutique hillside collection of just four two-storey, black-themed pool villas minutes from Nai Harn and Rawai beaches in southern Phuket. Four- and five-bedroom homes, from ฿28.8M to ฿50M. A distinctive, small-scale villa product in a sought-after southern setting; confirm the developer and handover details, as public sources are limited.
Nai Harn is an upscale-residential bay on Phuket's south coast, built around one of the island's most-loved beaches and a freshwater lagoon. Nai Harn area guide →




Quick facts
On the map
Shows the approximate area location and key places nearby — not the project's exact address.
What's nearby
Straight-line distance from the area centre — a proximity guide, not exact drive-times.
All Phuket key places →Who it suits / what to consider
Strengths: near international schools, off-plan with payment plan.
Consider: off-plan — verify the developer's track record and escrow; factor in time to completion.
Demand & liquidity
Who buys: Relocating and long-stay families prioritising schools, healthcare and space — a durable segment, less dependent on tourism.
Liquidity: Steady long-term rental and a resale audience of similar families; quieter areas trade nightly demand for stability.
The buyer mix shifts year to year with travel, currencies and policy — a snapshot, not a constant.
Yield & payback
Yield & payback calculator
Your scenarioResident = progressive on net; non-resident = 15% on gross. Exact figures →
Phuket has averaged ~5–10%/yr recently; we default to a conservative 5%. Set 0 to see rent only. Not a guarantee — paper gain until you sell.
Add a mortgage (default: cash)
Total return / yr
8.0%
net rent + growth
Net rental yield
3.0%
rent only
Break-even
11 yr
with +5% growth
Net cash flow
฿71,323
/ month
Rent-only payback: 34 yr · gross yield 4.1%
Where the rent goes
Indicative estimate you control — not a forecast, guarantee or tax/legal advice. Total return and break-even use the capital-growth assumption you set (default 5%/yr, a paper gain until you sell); net rental yield and rent-only payback do not. Excludes resale/exit costs and financing beyond the loan field.
Frequently asked questions
What is Grand Sea Through and where is it?
Grand Sea Through is a villa project in Nai Harn, Phuket, by Botanica Luxury Phuket Co., Ltd. 4–5 bedrooms.
How much does Grand Sea Through cost?
Prices start from ฿28,800,000. As an off-plan project, staged payment plans tied to construction are usually available.
When will Grand Sea Through be completed?
The project is off-plan, with planned completion in 2026. Track construction milestones and the developer's record.
Who is the developer of Grand Sea Through?
The developer is Botanica Luxury Phuket Co., Ltd. See their track record, reputation and other projects on the developer page.
How far is Grand Sea Through from the beach and airport?
Approximately: ≈37.7 km to the airport (straight line). See "What's nearby" for the full list.
How close are international schools?
The nearest international school in our data is British Curriculum International School (BCIS), ≈9.2 km (straight line). See "What's nearby".
Can a foreigner buy at Grand Sea Through?
Yes. Condo units are usually available to foreigners in freehold within the building's 49% quota; villas with land are held via leasehold or a company. Confirm the exact status per unit.
Similar projects
Last updated: 2026-08-06. Figures are indicative estimates, not a guarantee. Methodology is open.