Things to do in San Diego

The top-rated things to do in San Diego include San Diego Whale/Dolphin Watching Cruise Aboard Luxury Vessel (4.8★, 311 reviews). Here are bookable tours, tickets and day trips, with prices from Viator.

Best things to do in San Diego

• San Diego Whale/Dolphin Watching Cruise Aboard Luxury Vessel4.8★ (311) · 4h · from £57
• San Diego Hop On Hop Off Trolley Tour4.7★ (2,814) · 2h · from £43
• San Diego Seal Tour4.7★ (1,368) · 2h · from £42
• San Diego Whale Watching & Dolphin Cruise4.6★ (1,748) · 2h · from £53
• San Diego Harbor Cruise4.5★ (3,295) · 2h · from £28
• San Diego Harbor Dinner Cruise4.1★ (1,337) · 3h · from £95

Tours from our partner Viator (inventory last refreshed around 2026-09-13), who is the seller and handles your booking, payment, cancellation and refunds under their terms. Head Your Way is an affiliate and may earn a commission at no extra cost to you. Prices and availability are Viator's and can change, confirm on Viator.

Keep planning San Diego

Activities are bookable tours from Head Your Way's partner Viator for San Diego, inventory refreshed around 2026-09-13, sorted here by traveller rating then review volume. Prices are Viator's and can change, confirm on Viator. How Head Your Way compiles its data.