Yes. At **Stirling Point (Bluff)**, the southernmost tip of New Zealand's **South Island (Te Waipounamu)**, you can view both:
Technically, Foveaux Strait connects the two. The **Southern Ocean** (defined as 60°S by IHO) begins south of Stewart Island. But colloquially & visually: **Tasman (left) / Pacific (right)**.
Other "two ocean" claims: **Cape Agulhas (SA)** — official Indian/Atlantic divide. **Cape Point (SA)** — popular but false. **Panama Canal** — artificial. **Bluff is the genuine, accessible, southern island terminus.**