--- title: "FLAT 〜secret base〜 japanese resto & casual bar" description: "Japanese restaurant and casual bar on Sukhumvit 49/1 in Thonglor with cocktails and reservations option, rated 5 stars by four reviewers." url: https://bestofthailand.org/place/flat-secret-base-japanese-resto-casual-bar-26d5af locale: en --- # FLAT 〜secret base〜 japanese resto & casual bar ![FLAT 〜secret base〜 japanese resto & casual bar](https://bestofthailand.org/images/pool/cat-nightlife-clubs-5.webp) 5.0(4 reviews) Nightlife & Clubs · Thonglor Japanese restaurant and casual bar on Sukhumvit 49/1 in Thonglor with cocktails and reservations option, rated 5 stars by four reviewers. #79 of 258 nightlife & clubs in Thonglor+0.3 vs the Thonglor average of 4.7 ## Reviews No reviews yet — be the first. ### Write a review Rating ## Contact & details **Address** 20/110 Soi Sukhumvit 49/1, Khlong Tan Nuea, Bangkok **Phone** [+66 64 551 2817](tel:+66 64 551 2817) **Details last verified** September 2026 ## What Google lists **Food & drink** Serves alcoholCocktailsBeerDine-inTakeawayDeliveryTakes reservationsGood for eating alone **Going out** Spirits **Amenities** Restroom Attributes as published on Google Maps, last checked 8 September 2026 — reported by the business or by visitors, not verified by us. Google publishes these as present/absent only, so a missing chip means Google lists nothing, not that the place lacks it. [Map showing the location of FLAT 〜secret base〜 japanese resto & casual bar](https://www.openstreetmap.org/export/embed.html?bbox=100.5702505,13.7291406,100.58025049999999,13.7351406&layer=mapnik&marker=13.7321406,100.5752505) · [Open in Google Maps](https://www.google.com/maps/search/?api=1&query=13.7321406,100.5752505) ## Getting there - [BTS Phrom Phong](https://bestofthailand.org/bangkok/near/bts-phrom-phong) (E5) · 630 m · 8 mins walk - [BTS Thong Lo](https://bestofthailand.org/bangkok/near/bts-thong-lo) (E6) · 950 m · 12 mins walk Straight-line distance at 80 metres a minute — the real walk is longer wherever a canal or a superblock gets in the way. [Is this your business? Claim it](https://bestofthailand.org/for-businesses) ## Similar places nearby **[THE BAR 63 BY KASHIWAYA](https://bestofthailand.org/place/the-bar-63-by-kashiwaya-96d372)** — ![THE BAR 63 BY KASHIWAYA](https://bestofthailand.org/images/pool/cat-nightlife-clubs-2.webp) — 5.0 — Nightlife & Clubs · Thonglor — Located on Sukhumvit 63 in Thonglor, THE BAR 63 BY KASHIWAYA operates as a bar serving evening patrons with a distinctly branded and curated identity. **[Ajisai karaoke](https://bestofthailand.org/place/ajisai-karaoke-a20842)** — ![Ajisai karaoke](https://bestofthailand.org/images/pool/cat-nightlife-clubs-4.webp) — 5.0 — Nightlife & Clubs · Thonglor — Closed nowopens 19:30 — Ajisai karaoke on Sukhumvit Road in Thonglor offers dancing and accepts reservations for groups. **[The Mask Cocktail Bar](https://bestofthailand.org/place/the-mask-cocktail-bar-87e5e6)** — ![The Mask Cocktail Bar](https://bestofthailand.org/images/pool/cat-nightlife-clubs-8.webp) — 5.0 — Nightlife & Clubs · Thonglor — Cocktails crafted with technical precision define this Thonglor bar on Sukhumvit 69/1 Alley, where the focus stays firmly fixed on quality mixed drinks. **[Tell the Tales Bar](https://bestofthailand.org/place/tell-the-tales-bar-554422)** — ![Tell the Tales Bar](https://bestofthailand.org/images/pool/cat-nightlife-clubs-6.webp) — 5.0 — Nightlife & Clubs · Thonglor — Open nowuntil 02:00 — Located on Sukhumvit Road in Thonglor, Tell the Tales Bar serves cocktails and drinks to locals and travelers seeking an evening out. ## Within 600 metres Measured from this listing's coordinates, not from its district — same category first, then whatever else is on the doorstep. **[XIM Bangkok](https://bestofthailand.org/place/xim-bangkok-288133)** — ![XIM Bangkok](https://bestofthailand.org/images/pool/cat-nightlife-clubs-4.webp) — 4.8 — Nightlife & Clubs · Thonglor — Closed nowopens 19:00฿฿฿ — XIM Bangkok is a bar in the 49 Terrace building on Sukhumvit 49 in Khlong Tan Nuea, with cocktails. 100 m · 2 mins walk **[CAVO](https://bestofthailand.org/place/cavo-512ddc)** — ![CAVO](https://bestofthailand.org/images/pool/cat-nightlife-clubs-5.webp) — Nightlife & Clubs · Thonglor — CAVO sits on Soi Prommit in Thonglor, a bar operating without published reviews or ratings, one of many neighborhood venues in the area. 100 m · 2 mins walk **[VIDA MIA 49](https://bestofthailand.org/place/vida-mia-49-5d144e)** — ![VIDA MIA 49](https://bestofthailand.org/images/pool/cat-nightlife-clubs-4.webp) — Nightlife & Clubs · Thonglor — Closed nowopens 20:00 — The sixth floor of Piman 49 on Sukhumvit Soi 49 in Thonglor is home to VIDA MIA 49, a cabaret club featuring nightly dancing. 130 m · 2 mins walk **[The Wine Merchant Thonglor](https://bestofthailand.org/place/the-wine-merchant-thonglor-df431d)** — ![The Wine Merchant Thonglor](https://bestofthailand.org/images/pool/cat-nightlife-clubs-5.webp) — 4.8 — Nightlife & Clubs · Thonglor — Open nowuntil 23:00฿฿฿฿ — Located in Thonglor's Town Hall Park (Sukhumvit 49), The Wine Merchant specializes in curated wines by reservation at luxury pricing. 170 m · 3 mins walk